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Math - PreCalc (12th Grade)

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Math - PreCalc (12th Grade)
What is the value of this expression when n approaches infinity? 4−(4/n)+(5/n)+(15/3n^2) A) 20 B) 10 C) 5 D) 4 E) 1

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement:(2+3)^n<=4^n+3^n to fail? A) 1 B) 2 C) 3 D) 4 E) 5

Math - PreCalc (12th Grade)
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 4,3,0 7,0,9 0,4,-1

Math - PreCalc (12th Grade)
Which equation represents a hyperbola whose foci lie at (2, 7) and (2, -3)?

Math - PreCalc (12th Grade)
What is the slope of the tangent line passing through the point (2, 3) of the graph of this function? f(x)=x^2+2x−5 A) 1 B) 2 C) 3 D) 4 E) 6 f(2)=2^2+2(2)-5 f(2)=3 so is it c?

Math - PreCalc (12th Grade)
A fair coin is tossed 3 times in a row. If X is the number of heads counted, what is the mean of the probability distribution of X? A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0

Math - PreCalc (12th Grade)
What is the left-hand limit of f(x)=|x−3|/x−3 as x approaches 3? A) 1 B) 2 C) 0 D) -1 E) -2

Math - PreCalc (12th Grade)
What is the right-hand limit of this function at x=2? g(x)=x^2−3/x−3 A) -1 B) 0 C) 1 D) 2 E) 3

Math - PreCalc (12th Grade)
How many different basketball teams of 5 players can be created from a group of 7 players?

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement 1 + 3 + 5 +... + (2n − 1)<=4n − 1 to fail? A) 2 B) 3 C) 4 D) 5 E) 6

Math - PreCalc (12th Grade)
If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3

Math - PreCalc (12th Grade)
The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?

Math - PreCalc (12th Grade)
What value must be defined for f(4) to remove the discontinuity of this function at x=4? f(x)=(x^2−16)/(x−4) A) 0 B) 4 C) -4 D) 8 E) -8 f(4)=(4^2−16)/(4−4) f(4)=0/0 you can't divide by zero. I don't understand the question.

Math - PreCalc (12th Grade)
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed? A) 100 B) 1,000 C) 9,000 D) 900 E) 1,800

Math - PreCalc (12th Grade)
The function f(x) = 2x + 1 is defined over the interval [2, 5]. If the interval is divided into n equal parts, what is the value of the function at the right endpoint of the kth rectangle? A) 2+3k/n B) 4+3k/n C) 4+6k/n D) 5+6k/n E) 5+3k/n

Math - PreCalc (12th Grade)
What does this function show at x = 5? f(x)=x^2−25/x−5 A) removable discontinuity B) jump discontinuity C) infinite discontinuity D) continuity E) none of the above

Math - PreCalc (12th Grade)
The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...

12th grade
There are 300 students in 12th grade. What is the total population of the school?

Math - PreCalc (12th Grade)
If Sn = 1 + 6 + 11 + 16 + 21 + 26...... where an = (5n − 4), what would be the mathematical expression represented by Sk + ak + 1? A) (k(5k − 3)/2)+ 5k + 1 B) (k(5k − 3)/2)+ 5k − 4 C) (k(5k − 3)/2)+ 5k + 2 D) (k(5k − 3)/2)+ 5k − 3 E) (...

Math - PreCalc (12th Grade)
Which rectangular equation corresponds to these parametric equations? x = 0.2sec t and y = -0.25tan t A) 25x^2 − 16y^2 = 1 B) 25x^2 + 16y^2 = 1 C) x^2 − 16y^2 = 25 D) 25y^2 − 16x^2 = 1 E) 4x^2 − 16x^2 = 1

Math - PreCalc (12th Grade)
If the length of the minor axis of an ellipse is 6 units and the length of the major axis is 10 units, how far from the center are the foci located? A) 4 units B) 2 units C) √4 units D) √8 units E) 5 units

Math - PreCalc (12th Grade)
If the distance covered by an object in time t is given by s(t) = 2t2 + 3t, where s(t) is in meters and t is in seconds, what is the average velocity over the interval from 2 seconds to 4 seconds? A) 15 meters/second B) 14 meters/second C) 13 meters/second D) 12 meters/second ...

Math - PreCalc (12th Grade)
Which statement about a uniform probability distribution defined on a given interval is true? A) The mean is always 0. B) The mean is always 1. C) The standard deviation is always 1. D) The mean is the midpoint of the interval. E) The standard deviation is equal to the width ...

12th grade maths
how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logic,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)

12th grade maths
how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logic,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)

math
Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?

11th grade
The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?

english
- Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd Grade - 4th Grade - 5th Grade - 6th Grade - 7th Grade - ...

12th Grade Math
How do you graph f(x)= ((x+5)(x-4)^(2))/((x-2)(x^(4))

12th grade - Math
P(x) = 3x^3 - 7x^2 - 4x + 2 P(1 + √ 3) =

Math - PreCalc (12th Grade)
Which combination of limit properties is required to evaluate this limit? lim x->((24/x)-2x+2)^3 A) sum, difference, product, root B) sum, difference, product, power C) sum, difference, quotient, power D) sum, difference, quotient, root E) A limit does not exist.

12th grade math help!!!!
Who invented the lightbulb? Thanks

12th grade - Math
1.) Explain why |8-15i| = 17

12th Grade Vocabulary Antonyms Practice
Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?

12th grade math an
how do u solve this in analysis and funtion 7(b-6)=-12+b

12th grade
can you please help me to do my math homework on geometry 7.5

12th grade math
State the asymptote of the function g(x)=6^x-9

Math - PreCalc (12th Grade)
Which statement is true for any linear system of two equations in two variables? A) The system is independent if the slopes of the two lines are equal. B) The system is inconsistent if the y-intercepts of the two lines are equal. C) The system is independent if the graphs of ...

12th grade math
Identify the domain and range: 1.) y = x^2 / 4x^2 - 1 2.) y = -3 / (x+2)^2 + 1 3.) y = ³√-x^2

12th grade - Math
Solve by Factoring: 1.) x²- x + 12 = 0 2.) 4x³ + 21x² - 18x = 0 3.) x³- x² - x + 1

12th grade - Math
Identify the system as consistent, inconsistent or dependent. Explain your choice. 1.) 3x - 2y = 12 6x - 4y = 24 2.) x= -5 y= 4

math 12th grade
1. convert polar equation to rectangular coordinates: r^2=4sin2theta 2. find the coefficient of x^5 in the expansion (x+2)(x+1)^8

12th grade
1/7+3/5

12th grade
3X+3=3

12th grade math
What is the distance between the origin and the point (5, 12)? If necessary, round your answer to two decimal places.

12th grade
How far a

12th grade
what are substitutes

12th grade
solve: 5/2x+1/4x=9/4+x

12th grade
RS=7a,ST=12a,RS=28

12th grade
2x^2+6x-16 and 14x^2-3x-2

12th grade
How many moles are in 8.8*10 to the 34

Math (trigonometry)
MONDAY  December 3, 2012 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...

12th grade math!!!
what is the prime power factorizatopn of 554 706 758 514 844 830 788 677

Math
As most of you are teahers,I would like to know what topics 12th grade admission exams take into account. Thanks in advance.

senior courses
this is a reply to Ms.Sue's question yesterday. my college and career goals are to do with Foods. cooking, culinary arts .. but i don't think that i can chose my next year (12th grade) courses according to that, can i? those are my plans for college right now i'm having ...

12th grade
Simplify completely: -3(4-9)+6-2(-8+5)

12th grade
factor completely x^4-16=0

12th grade
cos x sin x

12th grade
how do I differentiate y=2sin8(x+(pi/4))-12?

12th grade
make the subject (p) p+3=(pq+r)/2

12th grade
solve (24e)^1/3 / (3e)^1/3

12th grade
deductive reasoning

12th grade
the constitution and the changes

12th grade
if cos Q=5/9, find 5/9

12th grade
what is genetic engineering?

12th grade
How do I find the height of a parallelogram?

12th grade
the brochure is not very informing

12th grade
the brochure is not very informative

12th grade
how do i do linear programming in algebra 2?

12th grade
what is the analogie for abject:miserable

12th grade
At 1p.m. I will be feeding the dogs. At the house.

12th grade
How many moles of atom are in 47 atoms Ba?

12th grade
The trem hierarchy refers to

10th grade math
1.548937075 x 10 to the 12th. round the number to 3 significat figures. I thought I would respost this because the other one was getting confusing

12th grade - Math
Explain. 1.) To solve x(x-5)=0 either factor may be equal to zero. 2.) | 8-15i | = 17 3.) The solution for x^2 = -2 cannot be found graphically. [any help or explanation is greatly appreciated]

12th grade Math?
How would you factor 3x^3-4x^2+4x-1? P.S. Factor theorem does not work here.

12th grade - Math
Justify your answer: 1.) Which line is steeper? y= 4/3x - 5 or y= 6/5x - 1 2.) Does the slope of line AB exist? A (-2,7) B (-2,-1)

Math 12th grade
Find the sum of each infinite series, or state that the sum doesn'nt exist 1/7+5/14+25/28+

12th grade
how do you solve limits that have infinities!?

12th grade
What ended the era of dual federalism?

12th grade
Indication is to sign as cloud is to weather?

12th grade
the product of 7over16, 4over3, and 1over2 is

12th grade
please help how to paraprhase the paradise lost

12th grade
maps of top 15 countries that trade with the U.s.

12th grade
could some help me with my german homework, please?

12th grade
the equation y= 6 sin(3x-1)pi+4 has a fundamental period at

12th grade
which of the following proofread's mark is incorrect

12th grade
What is answer to 2/3 to second power and how do I calculate

12th grade
solve: sec(1/4)X+"Square Root of 2"=0

12th grade
what tool hellps you create a database

12th grade
How did the Revolution affect religion in America?

12th Grade Maths
simplify (e is positive) (24e)^1/3 / (3e)^1/3

12th Grade Maths
simplify (e is positive) (24e)^1/3 / (3e)^1/3

12th grade
how to calculate the mole fraction to hexan. Thanks

12th grade economics
what does the process of specialization do for the economy?

12th grade
small group that study bills

12th grade
C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

12th grade
C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

12th Grade Calculus
how will you multiply y = ae^3x + be^-2x with dy/dx = 3ae^3x - 2be^-2x

12th grade chemistry
What is the structure for ethyl ethanamide? (Ie. c-c-N-c-c) ??? Thanks

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