# Pre- Calculus

21,152 results, page 29

### algebra

I an taking a pre test and I can't figure this question out at all--- 56x^7+21x^4+63^3

### Pre-Cal

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = (x-7)/(x+3) and g(x) = (-3x-7)/(x-1) I got to the point where f(g(x)) is plugged in but how would I simplify it? (((-3x-7)/(x-1))-7)/(((-3x-7)/(x-1)+3)

### pre algebra

2. 2x^2+8-4x+3x-6x^2+7 a. -8x^2-7x+15 b. -4x^2-x+15 c. 4x^2+x+15 d. 8x^2+7x+15 3. 4x^2+8x-11x+6-5x^2+2 a. -x^2-3x+8 b. -x^2+3x+8 c. x^2-3x+8 d. x^2+3x+8 can u please help me out with these questions steve or damon or ms sue. pls help me

### Physics

a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job

### Pre Calculas

Need help Give an example of an exponential function that goes through the point (0,4) .

### Pre-Calc

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?

### Pre-Cal

Sin^2xcosx+4sinxcosx+3cosx=0 I'm not even sure where to start. Help please

### pre-cal

Find the zeros, if any exist. Round your answers to two decimal places.

### Pre-Algebra

A basketball team won 14 out of 20 games. What fractional part of the game did they win?

### Pre-Calc

Write the equation in standard form of the circle which passes through (-2, 16) and has x-intercepts -2 and -32.

### Pre calc

estimate, correct to three decimal places all the zeros of the polynomial p(X) = x^4 - 4x^3 +5x -1

### pre cal

This is like the preceding problems except that your answer is an algebraic expression. x2+2sx+ =(x+ )2.

### Math pre algebra 0096

multiplying by 1 to find an expression equivalent to (10/13) with a denominator of 104y Thank you for your help.

### Pre Algebra

Point A(8,–10) is reflected over the y-axis. Write the coordinates of A’. (-8,-10) (8, 10) (8, -10) (-8, 10) My answer was B. Am i right?

### math

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is not a mathematics major

### Pre-Calculus

Hi! I need help with these two. Here's the link for both pictures. 1.) Determine the intervals over which the function is increasing, decreasing, or constant. Write your answer in interval notation. Link for photo: file:///C:/Users/Cynthia/Downloads/Save.PNG 2.) Determine the ...

### Financial Data and Choosing stocks

Now that you’ve analyzed a company based on its financial statement, let’s compare two companies. Choose two related companies to answer the questions below (for example: Toyota & Honda, Apple & Microsoft). Questions: 1. What two companies did you choose? How are they ...

### calculus

Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I don't know how to find ...

### Pre Calculus

ok I appologize for my stupidity... I'll answer your question... ok instructions to this problem In problems 77-88, use properties of the trigonmetric functions to find the exact value of each expression. Do not use a calculator 85. sin(-pi/12)csc( (25 pi)/12 ) book dosen't ...

### Calculus

At a certain factory, output Q is related to inputs u and v by the equation Q= 17u^2+(16u+17v)/(u+v)^2 If the current levels of input are u= 10 and v = 25, use calculus to estimate the change in input v that should be made to offset a decrease of .7 unit in input u so that ...

### calculus?

Hello can u help? I need a solution to calculus problem I have $500.00 to spend on fencing for a garden. The fence for the street side costs $30.00 per foot and the other three sides cost $10.00 per foot. what dimensions will give you a rectangle for the largest possible area...

### calculus

A rancher has 1000 feet of fencing with which to enclose two adjacent rectangular corrals with a interior partition (consider as one pen). Use calculus to determine what the external dimensions of the pen that will maximize the enclosed area. Write your answer in the form ...

### Calculus

Use the Fundamental Theorem of Calculus to find the area of the region bounded by the x-axis and the graph of y = 4 x3 − 4 x. Answer: (1) Use the Fundamental Theorem of Calculus to find the average value of f(x) = e0.9 x between x = 0 and x = 2. Answer: (2) Draw the ...

### Pre-Calculus

1.The angle of elevation to top of a building from a point on the ground 20degrees and the angle of elevation from a point to 25 feet farther away is 12degrees. Find the height of the building. 2.From a point on the ground, the angle of elevation to the top of a 60-ft radio ...

### Pre-Algabra

Making a pie chart,, can't figure out how to change from percent to degree. can someone help

### Pre Algebra

Im currently learning Exponential Growth and Decay and there is one problem that I don't understand... From this: 30/9, how do they get to this result: 3 1/3 ?

### Pre Calc

Without actually graphing it, show that the graph of the equation x^3+y=x is symmetric with respect to the origin.

### Math pizzaz pre algraba

What magic tricj dies Mr.Utterbunk perform ever evening

### Pre-cal

find the first three iterates of the function f(z) = z^2+z-i if the initial value is i. My answers were: z=i; z1= -1, z2 = i, and z3 = i Is this right?

### pre-algebra

show that the number is rational by writing it as a quotient of two integers. 1. 24 2. 5 7/18 3. 1 4. 0.3 im not so sure what your suppose to do

### Pre-Algebra

How do I find a linear relationship in a table? I really need help on this. And this is at a 7th grade level...

### Pre Calc

For what values of t will t-2, 2t-6, and 4t-8, in this order, form an arithmetic sequence? Could someone at least start me off?

### Pre-Cal

Perform the operation and write the result in standard form. (2-3i)(5i) over 2+3i Please help!! I do not understand this.

### Pre cal.

Write an equation of the sine function with amplitude 3, period 3ð/2, and phase shift ð/4. Is it y= 3sin(4x/3-ð/3)?

### Math - Pre Algebra

$1280 at 13% compounded annually for 3 years Find each balance. Use the formula B= p(1+r)n

### Pre-Algebra

Can someone please check if I answered these 3 questions correctly? Find three solutions: 1.x - y= 7 (10,3) (14,7) (8,1) 2.2x + y= 10 (2,6) (4,2) (5,0) 3.y=3x (2,6) (9,3) (15,5) Thanks! -MC

### Pre-Algebra

How can I solve this problem, I'm stuck on it: Approximate to the nearest hundreth by interpolation 5*square root of 84.4 Thanks -MC

### pre algebra

solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i don't know how to.

### pre algebra

simplify: (2k+7)(7k-1)\ can someone please help me solve this problem and go through the steps to solving it with me. Its too confusing for me. Thank You

### Pre Calc

Use the Leading Coefficient Test to determine the end behavior of the polynomial function. f(x)=-3x^3-3x^2-2x+1 ?????????????

### Pre Calc

My question is I^793 I think the answer is just I because it is the only number that can go into it. Is that correct?

### Pre-Cal

1) describe the relationship between the graphs of f and g. My answer was g is a reflection of f about the x axis but this is wrong.

### pre algebra

last question, the number of students rose from 6300 in 2004 to 8505 in 2005 what is the % increase?

### pre-Cal(Please help)

Use the law of cosines to find the angle Q between the given vectors. v = 3i + j w = 2i - j

### pre-cal

g(x)=-4/x; x=-5, x=-5+h Determine the average rate of change of the function between the given values of the variable.

### pre algebra

find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

### pre algebra

find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

### pre algebra

find the common ratio in the sequence 8, 12, 18, 27, ..... then write the next three terms of the squence

### Pre Calc

How to solve the equation: 36x-15y+50z=-10 2x+25y=40 54x-5y+30z=-160

### Pre Calc.

Use limits to describe the behavior of the rational function near the indicated asymptote f(x)=3/x-4

### Pre-Algebra

The rules for multipying and dividing both sides of an inequality do not mention zero. Explain why ???

### Pre-Algebra :(

Can you answer this, please? Tell whether each equation represents direct variation between x and y. y=-3x^2

### Pre-Calc

Make into one log function: 2logx-log4-log3+logx

### Pre-Cal: Trig

The point (7,2) determines a poistion angle "t". Find the exact value of sin(t).

### Pre-Cal: Trig

The point (7,2) determines a position angle "t". Find the exact value of sin(t).

### pre-algebra-math

two fractions equivalent to the given factor 18/21 and the other 3/27:) please helpp

### pre-algebra

find the volume of a pyramid 9in.by9in. by3in.round to the nearest tenth

### Math (Pre-Algebra)

How do you simplify this equation by combining like terms or using the distributive property?: -5y+8-y+11-2+y

### pre-cal

Find the terminal point determined by t.Please enter answer in ordered pair

### pre calc

find the exact solution algebraically and check it by substituting into the orginal equation. 1. 36(1/3)^x/5=4 2. 32(1/4)^x/3=2

### Pre Calc

Verify the following identity: sin(x)*cos(x)*(cot(x)+tan(x))=1 show work

### Pre Cal

Which of the following represents the graph of y=f(x) first shifted down 1 and reflected in the x-axis? a) y=f(-x)-1 b)y=-(f(x)-1) C)y=-f(x)-1 d) y=abs(f(x-1))

### Pre Cal

Which of the following represents the graph of y=f(x) first shifted down 1 and reflected in the x-axis? a) y=f(-x)-1 b)y=-(f(x)-1) C)y=-f(x)-1 d) y=abs(f(x-1))

### Pre-Medical

Can someone please tell me what the stndardized employability skills? (Standardized as in used globally)

### Pre Calc

Find the volume of the solid formed by revolving the region bounded by y = 16 - x^2 and y = 0 about the x-axis .

### Pre-Algrebra

I have to solve the equation s=g+h and am totally clueless as to how to even start. Please help explain. Thank you.

### Pre-Algebra with PIZZAZZ

First, what is the code for What should you say when you meet an angel? Second, what are the answers to it for 9-14?

### Pre-calc

Find the standard form of the complex number shown below 5(cos7pi/6 + isin7pi/6)

### pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6

### pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6

### Pre-Calc/Math

Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?

### Pre-Calc

for the conic y=5x^2-40x+78 find an equation in standard form and its vertex, focus, and directrix

### pre algebra

how do u know the answers shown on the computer for What do they call the international hoola hoop championships?are correct

### Math, Pre Calc

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

### High School, Pre Algebra

-1 3/7* (-3 2/3) A. 3 2/7 B. -5 5/21 C. 11 D. 5 5/21 I got A , but then I tried figuring it out again and I think the denominator is 21

### pre-algrebra

needing to solve word problems with linear equatios, if there something to help work into them?

### pre cal

How lnog will it take for an investment of $1000 to double in value if it earns 5% coumpounded weekly?

### pre calc

What is the first natural number that causes the statement: (2 + 3)^n **less than equal to sign** 4^n + 3^n to fail? 1 2 3 4 5

### pre algebra

what type of measurement would you use to describe the amount of water a pot can hold?

### Pre-Calc

Given the one point function (3,9) (in other words f(3)=9) Identify the following transformations f(2x) -3(f(x-4))+1 f(5x+3) 4f(-x)

### pre-calc

The sum of two numbers is radical 3. Find the largest possible value for their product

### pre-calc

The sum of two numbers is radical 3. Find the largest possible value for their product

### pre-calc

The sum of two numbers is radical 3. Find the largest possible value for their product

### Math Pre Cal

Find the values of the trigonometric functions of è from the information given. cot è = 1/2 , sin è < 0

### pre calc

Find all solutions of the equation tan^5 x - 9tan x =0. The answer is Ak\pi where k is any integer, the constant A= ??.

### pre algrebra

simplify one half plus two thirds divided by three fourths

### Math (College Pre-Cal)

Find a formula for(f o g)(x)assuming that f(x)= e^(4-7x)and g(x)= ln(x). Give your answer in the simplest form.

### Health/profession

If I wanted to become a cardiovascular surgeon, would I take pre-medicine for osteopathic?

### Pre-Algebra

How do you solve 4x+4=9x-36? I understand that you need to get the variables alone but to I add or subtract 9x to both sides?

### Pre-Calc/Trig

Helpp please State the domain and range of each of the following functions: 1. f(x)=1/(x+3) 2. g(x)=√x+6 3. h(x)=x^3+2x+5

### Pre-Calc/Trig...

Am i correct? A vertical shift is an example of a non-rigid transformation. True

### Pre-Calc/Trig

I have looked this up, but still cant figure out what it is.. What is the projectile motion function?

### Pre-Algebra

Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work. This question is not multiple choice

### Pre-Calc/Trig...

Help me please Is the given linear expression a factor of the polynomial? Show work. f(x)=2x^3+x^2-5x+2; x+2

### Pre-Calc/Trig

Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^3-2x^2-5x-2

### Pre-Calc/Trig

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x

### Pre-Calc/Trig...

Which of the following could be an example of a function with a domain (-oo,oo) and a range (-oo,2)? Check all that apply. A. y= -(3)^x+2 B. y= -(3)^x-2 C. y= -(0.25)^x+2 D/ y= -(0.25)^x-2

### physic

. A 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. How many kilowatts of power is needed for the job?

### physic

A 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. How many kilowatts of power is needed for the job?