function y = 42(2t+pi/2), where t is measured in radians. A.choose one option which gives the value of the function when t=pi radians B.choose one option which gives the period of the function in radians. a)0 b)1 c)2 d)4 e)pi/4
107,607 results

Math
function y = 42(2t+pi/2), where t is measured in radians. A.choose one option which gives the value of the function when t=pi radians B.choose one option which gives the period of the function in radians. a)0 b)1 c)2 d)4 e)pi/4 f)pi/2 g)pi h)2pi 
Trigonometry
function y=42sin(2t+pi/2), where t is measured in radians. choose one option which gives the value of the function when t=pi radians. a)0 b)1 c)2 d)4 e)pi/4 e)pi/4 f)pi/2 g)pi h)2pi 
maths
the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod the value of t=3 be 5 ? and i don't knw wat ... 
maths
the function y = 5 + 3 sin (pie t /3 + pie /2) choose one option which gives the value of the funtion when t = 3. choose the option which gives the period of the function. from the options below. 0, 1/6, pie/6, 2, 3, pie, 5, 6 wod the value of t=3 be 5 ? and i don't knw wat ... 
maths
find the gradient and y ntercept of the line with equation: y = 9  4x choose the one option which gives the gradient and one option which gives the y intercept from the list below. 9, 4, 9/4, 4/9, 4/9, 9/4, 4, 9 can any1 help me this is very confusing. The gradient is ... 
maths
HI THERE, COULD SOME ONE PLEASE HLEP ME ON THIS QUESTION... A sample of the nearground air concentration of caesium137 at 11 locations in southern Germany a few days after the Chernobyl nuclear accident in 1986 consisted of the following measurements (in Bq/m3). 5.77 3.30 7.... 
math ( Discrete Functions)
lottery offers two options for the prize. (7) Option A: $1000 a week for life. Option B: $600 000 in one lump sum. If you choose Option B, you have the opportunity to place the winnings into an investment that also makes regular payments, at a rate of 3%/a, compounded monthly... 
math
A lottery offers two options for the prize. (7) Option A: $1000 a week for life. Option B: $600 000 in one lump sum. If you choose Option B, you have the opportunity to place the winnings into an investment that also makes regular payments, at a rate of 3%/a, compounded ... 
maths
choose one option which is the equivalent in radians of an angle of 135 degrees. ( ð = pie 3.14...) A. ð / 2 B. 3ð / 2 C. 7ð / 8 D. 5ð / 4 E. 3ð / 4 F. 5ð / 8 da answer is E, Simply because with radians, pie iz treated as 180, so in respect to E, 3 x 180/4 = 135 TRY IT 
maths
The number of vehicles entering each of 15 junctions from a motorway during a 20minute period on a Sunday morning is given below. 7 26 30 26 19 22 12 30 8 28 8 15 26 32 4 1 Choose the option that gives the median number of vehicles entering a junction. Options for Question A ... 
algerbra
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for two different years: Number of years 1 2 3 Option 1 (amount in dollars) 1300 1600 1900 Option 2 (amount in dollars) 1120 1254.40 1404.93 Part A: What type of ... 
maths
By first applying the Product Rule, choose the option that gives (correct to two decimal places) the overall maximum value of the function f(x) = e^3x cos(2x) on the interval [1/12 π, 1/4π]. Options A 0.49 B 1.90 C 2.19 D 2.42 E 3.97 F 5.88 G 7.46 H 10.55 
Math
Consider Mr. Smith has an apple orchard. He hires his daughter, Lucy, to pick apples and offers her two payment options: Option A: $1.50 per bushel of apples picked Option B: 1¢ cent for picking one bushel, 3¢ cents for picking two bushels, 9¢ cents for picking three ... 
Algebra I
5. Holly wants to invest $1000. The table below shows the value of her investment under two different options for two different years: Part A: What type of function, linear or exponential, can be used to describe the value of the investment after a fixed number of years using ... 
math
6. A lottery offers two options for the prize. Option A: $1000 a week for life Option B: $ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects to live for another ... 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is... 
math
choose the one option that gives the total number of krypton particles produced up to and including the eight stage. A.2^6 B.2^7 C.8^2 D.2(2^81) E.2^81 F.(2^81)/2 
Math
3.Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function... 
Algebra 1 Help please
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function, ... 
MATH @Damon @ms. Sue
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function, ... 
Math
Choose the one option which gives the length (in m, correct to 1 decimal place) of the diagonal of a rectangular field with sides 55m and 72m long. Options A 11.3 B 63.9 C 82.1 D 90.6 E 96.0 F 127.0 
MATH @Damon @ms. Sue
Can Someone check my Work Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part ... 
maths
O is the centre of the circle and A and B are points on the circumference of the circle. The radians of the circle is 12 cm and the angle AOB is 54 degrees. Choose the one option which gives the length of the circle joining A and B , correct to one decimal place. A. 10.6 m B. ... 
math
6. A lottery offers two options for the prize. Option A: $1000 a week for life Option B: $ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects to live for another ... 
Algebra II
1. Which represents the first two terms of the sequence: a_1 = 2 and a_n = 2(a_n1)^2 option a. 8, 128 option b. 16, 1024 option c. 2, 16 option d. 2, 8 2. Which is the seventh term in the sequence: a_n = 1/125 * 5^n1 option a. 125 option b. 625 option c. 25 option d... 
Finance
You are considering two lottery payment options: Option A pays $10,000 today and Option B pays $20,000 at the end of ten years. Assume youc an earn 6 percent on your savings. Which option will you choose if you base your decision on present values? Which option will you choose... 
marketing
1.Which option did you choose for Our Town Photography? What rationale did you use to select the option you chose? I went with the second option Joe's proposal 
maths
The method for completing the square can be used to write the expression −2x^2 + 12x−5 in the form a(x + b)^2 + c, where a, b and c are constants. Choose the option that gives the value of c. Options A −23 B −13 2 C 5 2 D 3 E 13 F 14 
A
You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of the summer. • ... 
ALGEBRA
You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of the summer. Option 1... 
marketing opportunity cost
Maurice receives $100 as a birthday gift. In deciding how to spend the money, he narrows his options down to four choices: Option A, Option B, Option C, and Option D. Each option costs $100. Finally he decides on Option B. The opportunity cost of this decision is __________. A... 
maths
Choose the option that gives (correct to two decimal places) the area of the region which is bounded by the xaxis and by the graph of y =(20(7 − x)(x − 3))/x^2 . Options A 0.47 B 1.31 C 2.09 D 3.76 E 5.12 F 6.55 G 8.20 H 9.46 
Trigonometry
Find the angular speed in radians per sec. of the second hand on a clock. My answer is 1 rpm =1*2pi radians/1minute(1 rotation = 2pi radians) =2pi radians/60seconds =1/30 radians/seconds It goes 2PI radians in 60 seconds. What happened to the PI? I forgot to put sorry. So the ... 
maths
The heights in centimetres of men in a sample selected at random may be modelled by a normal distribution with mean 180.5 and standard deviation 11.3. 1 Choose the option that is closest to the value above which 30% of the heights of men will lie. Options for Question1 A 174.... 
principles of math 11
if f(x)=2x =1 and g( x) =4x3 then (f+g)(x)= options are below... can someone steer me in right direction as I am not getting the answer option a =6x2 option b = 2x4 option c =6x+4 option d=8x3 option e = 2x+ 4 
statistics
The heights in centimetres of men in a sample selected at random may be modelled by a normal distribution with mean 180.5 and standard deviation 11.3. 1. Choose the option that is closest to the value above which 30% of the heights of men will lie. Options for Question1 A 174.... 
math
Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12 monthly payments of... 
math
Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12 monthly payments of... 
maths
Choose the option that gives an expression for the indefinite integral ʃ (cos(4x) + 2x^2)(sin(4x) − x) dx. In each option, c is an arbitrary constant. Options A cos(4x) + 2x^2 +c B 1/8cos(4x) + 2x^2)^2 +c C 1/4 (sin(4x) − x)^2 + c D (1/(2 (sin(4x) − x... 
Algebra II
1. Which represents the type of sequence: 33, 31, 28, 24, 19,... option a. option b. option c. option d. 2. A town has a population of 32,000 in the year 2002; 38,400 in the year 2003; 46,080 in the year 2004; and 55,296 in the year 2005. If this pattern continues, what will ... 
calculus please help asap
true or false questions: a)The derivatives of the reciprocal trigonometric functions can be found using the chain rule and their related base functions. b) A sinusoidal function can be differentiated only if the independent variable is measured in radians. c) There are an ... 
science
In Vista and Windows 7, which process allows you to display two documents side by side? A. Click the Windows button, choose Control Panel, and select the Tile Windows Vertically option. B. Rightclick the mouse button in a blank area of the taskbar; in the menu option that ... 
ALGEBRA
You have just landed your first summer job and your boss has told you that you can choose from one of 3 pay structures for the first week (7 days) that you work there. And after the first week, your pay will be frozen at the final rate for the remainder of the summer. #1pay ... 
Math
1.A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 12(1.03)n Part A: When the scientist concluded his study, the height of the plant was approximately 16.13 ... 
MathTrigonometry
Can someone help me with this problem. A Ferris wheel has a radius of 37.8 feet. The bottom of the Ferris wheel sits 0.7 feet above the ground. You board the Ferris wheel at the 6 o'clock position and rotate counterclockwise. A)Define a function, f that gives your height ... 
calculus
Constant annual percentage growth The function gives the value of a home in dollars in the year 2000 + t. Find the constant annual percentage change in the value of the home. Give appropriate units with your answer. Again, I'm not sure what function is being referred to here ... 
maths
These questions concern the integers 84, 126, 168 and 294. 1)Choose the option that is the lowest common multiple of the four integers. 2)Choose the option that is the highest common factor of the four integers. Options for them: A) 28 B) 42 C) 63 D) 294 E) 3528 F) 7056 G 10) ... 
Coporate Finance
TwoState Option Pricing Model Tbills currently yield 5.5 percent. Stock in Nina manufacturing is currently selling for $70 per share. There is no possibility that the stock will be worth less than $65 per share in one year. a. What is the value of a call option with a $60 ... 
maths
input the following data into your calculator and obtain the best fit power regression function for y in terms of x, for the data x 1 2 3 4 6 y 18.0 14.3 12.5 11.3 10.0 choose the one option which most closely describes the power relationship between x and y indicated by the ... 
math
Ms Desai has $18 000 to invest and is looking at GICs. • Option A: 5year GIC at 2.45%, compounded annually. • Option B: 2year GIC at 2.2%, compounded annually; reinvest funds in a 3year GIC at 3.5%, compounded annually. Compare the future values of each option. Which ... 
maths
The distribution of the time taken to run 1000 metres by users of a treadmill in a sports centre has mean 7.2 minutes and standard deviation 2.045 minutes. 1 Choose the option that is closest to the probability that the mean time taken to run 1000 metres for a sample of 30 ... 
maths
The distribution of the time taken to run 1000 metres by users of a treadmill in a sports centre has mean 7.2 minutes and standard deviation 2.045 minutes. 1 Choose the option that is closest to the probability that the mean time taken to run 1000 metres for a sample of 30 ... 
calculus
The distribution of the time taken to run 1000 metres by users of a treadmill in a sports centre has mean 7.2 minutes and standard deviation 2.045 minutes. 1 Choose the option that is closest to the probability that the mean time taken to run 1000 metres for a sample of 30 ... 
physics
1.In one dimensional motion, instantaneous speed v satisfies 0 ≤ v < v0. (a) The displacement in time T must always take nonnegative values. (b) The displacement x in time T satisfies – vo T < x < vo T. (c) The acceleration is always a nonnegative number. (d... 
calculus
Evaluating an exponential function The function gives the value of a home in dollars in the year 1980 + t. What was the value of the home in 1988? Round your answer to the nearest whole dollar amount and give units. You would evaluate for t=8. The units should be dollars. Your... 
maths
Choose the option that gives the solution of the initialvalue problem dy dx=(1 + 2 cos2x^2)/y (y > 0), y= 1 when x = 0. Options A y = 1+ 2sin^2 x B y = (1 + 2 sin x)^2 C y = (4x + cos(2x))^2 D y = 4x + cos^2 x E y =sqrt(4x + cos(2x) F y =sqrt(1 + 4x + sin(2x)) G y =1/(sqrt... 
Algebra 2
If the arc length of a sector in the unit circle is 3π/2 what is the measure of the angle of the sector? 0 radians π/2 radians <my choice π radians 3π/2 radians 
Math
Apples are sold in cartons of 25. David bought home 2 cartons an found 3 rotten apples in the first carton. There were thrice as many rotten apples in the second carton. 1. Find the probability of randomly selecting a good apple from carton 2. 2. If 2 apples are randomly ... 
calc
2sec^2x  3tanx  5 = 0 I got x= 1.24 radians x= 4.38 radians x= 0.74 radians x= 3.88 radians 
Foundations Math 12
Jie is investing $15000 and is choosing between two options. With Option A, the investment is compounded semiannually and will grow to $20000 in 5 years. With Option B, the investment is compounded monthly for 5 years. The annual rate of interest is the same in both options. ... 
Math
Graphic designer has offered client 3 options. Poster 1 16x20 inches. Poster 2 1/2 the side of option 1. Option 3 poster that is 5/4 the size of Option 1. The photo on Option 1 is 4x5inches what size would that photo be on Option 2 and Option 3? 
Trigonometry ??????
(The number of times a bicycle tire rotates in a given time period is directly related to the distance traveled in that time period. Consider the following scenarios.) 1. Calculate the angular speed of a bike with 26inch tires rotating at 200 revolutions per minute. Express ... 
trig
Given the function y = 3cos(3x + pi), identify: Amplitude (if applicable, give the answer in fractional form) Period (in radians as a multiple of pi  note: do not write "rad" or "radians" in your answer) Phase Shift (if the shift is right, enter + and if to the left, enter  ... 
ALGEBRA / MATH / FINANCIAL
PLEASE HELP.. HERE'S THE QUESTION.... RYAN IS GOING TO INVEST $4000 INTO 2 INVESTMENT OPTIONS. ONE OPTION PAYS 3% AND THE OTHER OPTION PAYS 3.5% SIMPLE INTEREST. HOW MUCH DID RYAN INVEST IN EACH OPTION IF THE INTEREST EARNED IN THE OPTION PAYING 3.5% SIMPLE INTEREST IS $94.50 ... 
math pre calculus
you are depositing $1000 dollars in a savings account and are given the following options. 6.2% annual interest rate, compounded annually 6.1% annual interest rate, compounded quarterly 6.0% annual interest rate, compounded continuously for each option, write a function that ... 
Math
Using the TI89 Titanium calculator: Find the largest and smallest values of each of the following functions on their given intervals. (I'll show you one) f(x) = 2^x + x^2 [4, 1] I put in the function on the Y= screen as shown, then 4 < x < 1 (it's actually the less ... 
maths
please can some one help me..? Part a  O is the centre of the circle, and P , Q are points on the circumference of the circle, with the angle POQ being a right angle. The radius of the circle is 3 cm. Choose the option that is the area of the smaller sector POQ, correct to 3 ... 
math
Suppose that you were saving money over 5 years to use in a purchase later. You have $1000 to put in the savings. After surveying several banks for savings plans, you found these options. "A" stands for the amount you will have in the bank after x years. * Option A: Your money... 
maths
A psychological test was given to 92 teenage boys and 68 teenage girls. The test was used to assign a score to each teenager, measured on the ‘worry scale’–0(not worried) to 100 (very worried).A summary of the results is given in the table below. Score on ‘worry scale... 
Analytic Geometry CHECK MY ANSWER
What is the slope of the line that passes through the points (2, 3) and (2, 6)? Option A: 3/2 Option B: 3/4 (MY ANSWER) Option C: 3/4 Option D: 0 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin(pie t), where d is the horizontal distance (in cm) from the central starting position, and t is ... 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is... 
maths
The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is... 
precalculus
A Ferris wheel has a radius of 40 feet. The bottom of the Ferris wheel sits 0.5 feet above the ground. You board the Ferris wheel at the 6 o'clock position and rotate counterclockwise. Define a function,f that gives your height above the ground (in feet) in terms of the angle... 
Trig
Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees 
Algebra 2
The seniors at Travis High School have three purchase options for their yearbook. Option 1: They can purchase a copy of the yearbook and a onepage ad for $35. Option 2: They can purchase a copy of the yearbook and a onehalf page ad for $25. Option 3: They can purchase a copy... 
english
The following questions have sentences with blanks. Choose the answer option which will correctly rill the blank 1) You can borrow my car the end of the month A) until B) by C) in D) for 2) Most scholars consider 1887 to be the beginning of industrialization wine and brandy ... 
math111(3)
The function f(x)=(x+6)^2 is not onetoone. Choose the largest possible domain containing the number 0 so that f(x) restricted to this domain is onetoone. The largest possible domain is [6,infinity) If the restriction function is written F, then inverse function F^{1}(y)=... 
Math  FredR
I asked about radians yesterday,you told me that a circle has 360 degrees or 2 pi radians, so: radians = 2.7*pi/180 Would the answer be 0.047 
Help Please!
1) AMP activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which of the following ... 
math
A Ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the Ferris wheel be at the origin. The height h (in feet) of a Ferris wheel car located at the point (x, y) is given by h = 50 + y where y is related to the ... 
Trigonometry
A wheel is rotating at 200 revolutions per minute .find the angular speed in radians per second. 200 rpm =200*2pi radians/1 minute (1 rotation = 2pi radians) = 400pi radians/60 seconds =20/3 radians/second You can follow the same procedure for the other two questions you asked. 
Cell Biology Help Please!
1) AMP activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which of the following ... 
Mathtrig
A Ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the Ferris wheel be at the origin. The height h (in feet) of a Ferris wheel car located at the point (x, y) is given by h = 50 + y where y is related to the ... 
Algebra 2
Ahmad will rent a car for a day. The rental company offers two pricing options: Option A and Option B. For each pricing option, cost (in dollars) depends on miles driven, as shown below. Costindollars Milesdriven OptionA OptionB (a) If Ahmad drives the rental car 150 miles, ... 
Check my answer plz!!
which shows 3x+6y=12 in slopeintercept form? option a: y=1/2x2 option b: y=2x12 option c: y=1/2x12 option d: y=2x2 my answer is; a 
maths
A sample of 25users of a gym had their oxygen consumption measured for 30 minutes after arunning exercise.The sample mean and sample standard deviation of the oxygen consumption,in millilitres per kilogram of body weight per minute, were 24.1 and 18.7, respectively. Choose the... 
Survey of Mathematics
Suppose a car rental agency gives the following choices: Option A: $30 per day plus 40 cents per mile Option B: flat $50 per day (unlimited miles) At what mileage are both rates the same if you rent the car for 3 days? 
Math
If an object travels in a circle 32pi/5 radians, at what degree measure is it, relative to where it started? a) 1052° b) 144° c) 72° d) 98.6° I got 1152° but there is no option for the answer, what did I wrong? 
Math
You want to purchase an automobile for $21,600. The dealer offers you 0% financing for 48 months or a $3,000 rebate. You can obtain 4.8% financing for 48 months at the local bank. Which option should you choose and why? (you would use the banks option to pay the rest after ... 
physics
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with 0.4 times the speed of the light? Choose one answer. a. The time period of the ... 
physics
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when the period of the pendulum is measured by an observer moving with 0.4 times the speed of the light? Choose one answer. a. The time period of the ... 
math
Option A $5.75 for each visit Option B Yearly membership for $99, plus $.50 for each visit write an inequality that can be used to determine the minimum number of times a person would need to visit the gym in a year in order for option B to be less expensive than option A. $5.... 
trigonometry
An object is attached by a string to the end of a spring. When the weight is released it starts oscillating vertically in a periodic way that can be modeled by a trigonometric function. The object's average height is −20 cm (measured from the top of the spring). It ... 
maths
Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ... 
CalculusFunction
sketch the graph of a function in neighborhood x=2 that satisfies these conditions f(2)=3 f'(2)=2 f"(2)=1 you can find a specific function that satisfies all of the given conditions i know the first derivative gives you critical points, and second derivative gives you points ... 
maths
Hi Can anyone help please: Suppose that the births of boys and girls can be modelled by rollling a fair die with 27 faces, 14 of which represent a boy and 13 represent a girl. 1. Using this model, choose the option that is closest to the probability that a couple who continue ... 
grade 11 math
at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal 
Calculus (fixed the typo )
A line rotates in a horizontal plane according to the equation theta=2t^3 6t,where theta is the angular position of the rotating line, in radians ,and t is the time,in seconds. Determine the angular acceleration when t=2sec. A.) 6 radians per sec^2 B.) 12 radians per sec^2 C... 
Algebra II, i don't get this??
help i don't get these two questions!! 21.What is the range of f(x) = x + 2 + 3? Option A: y is less than 2 Option B: y is less than 3 Option C: y is greater than 2 Option D: y is greater than three 30.What are the coordinates of the vertex of the graph of f(x) = 2x + 4...