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Algebra

COMPOUNDED INTEREST

The current cost of a cruise you wish to take in 6 years is $4,250.00. You expect it will increase by 4% annually. I can earn 5% on my savings. How much do I need to save at the end of each month so I can afford to take the cruise in six years? Note: I understand that I need to consider the future amount. Future amount=

Exponential Growth Rates

Consider the following disaggregation of carbon emissions: Carbon emissions(kg C/yr)= Population x (Energy(kJ/yr)/Person) x (Carbon (kgC)/Energy(kJ)) Using the following estimates for the United States and assuming that growth rates remain constant, Population (kJ/yr)/Per

Parallel and perpendicular lines

Are the following lines parallel, perpendicular, or neither? L1 with equation x - 7y = 35 L2 with equation 7x + y = 7 A) Parallel B) Perpendicular C) Neither

Word problem

In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate receive? (Please show steps) I'm trying to figure out what the steps would be to come to this conclusion. The problem says "220 more votes". I understand that (I think) to be +200, but

Given information in attachment, please sketch the graph

(See attached file for full problem description with proper equations) --- Given information in attachment, please sketch the graph. For the rational function f(x) = (x2 - 1) / (x2 - 9), give the intercepts and asymptotes and sketch the graph. Let f(x)=0, we get x=1 or x=-1. So, the x-intercepts: x=1 or x=-1. Let x=

Rational function

For the rational function (see attached file) a.) determine the equation of the oblique asymptote b.) determine the x-intercepts c.) determine the y-intercepts d.) determine the equation of the vertical asymptote e.) sketch the graph

A computer is infected with the Sasser virus.

A computer is infected with the Sasser virus. Assume that it infects 20 other computers within 5 minutes; and that these PCs and servers each infect 20 more machines within another five minutes, etc. How long until 100 million computers are infected?

Synthetic Division, Intermediate Value Theorem and Asymptotes

21) Use synthetic division to find: f(?2) f(x)=2x3?3x2+7x?12 21) 22) For the function f(x) = ?x3 + 8x2 ? 40 Show how to use synthetic division to find out if -1 is a zero. 22) 23) One of the zeros of the function f(x) = ? 7x2 + 17x ?15 is 2-i. Find all the other zeros. 23) ____________________ 24) Use the intermediate val

Please explain in detail these two word problems.

12. The second of three negative numbers is 6 less than the first negative number. The third negative number is 3 times the second number. Find the set of all possible third numbers given that twice the sum of the first two numbers is greater than the third number. 13. A woman can row 11 miles downstream in the same

Axis of symmetry

Given the quadratic function y = 9 x 2 - 6 x + 3, What is the equation of the axis of symmetry ? 1) x = 2/3 2) x = - 1/3 3) x = - 2/3 4) x = 1/3

Domains

Determine the domain of the function: f (x) = sqrt( -2 - x)

Word Problem

How many quarts of 60% alcohol solution must be added to 20 gallons of 20% alcohol solution to obtain a mixture that is 30% alcohol?

Solve for x

(See attached file for full problem description)

The answer to Geometric sequence

Use the geometric sequence of numbers 1, 1/2, 1/4, 1/8, ......to find the following: a. What is r, the ratio between 2 consecutive terms? b. Using the formula for the sum of the first n terms of a geometric series. What is the sum of the first 10 terms? Please round your answer to 4 decimals. c. Using the formula f

Arithmetic Sequence Differences

Use the arithmetic sequence of numbers 1, 3, 5, 7, 9, ..... to find the following: a. What is d, the difference between any 2 terms b. Using the formula for the nth term of an arithmetic sequence, what is 101st term? c. Using the formula for the sum of an arithmetic series, what is the sum of the first 20 term? d.

Geometric sequence

The classic problem - put a penny on first square of a checkerboard, and then double the amount on each succeeding square. How much money would be put on the 32nd square? How much money would you recieve if there only 32 squares? How much money is needed to fill all 64 squares of the checkboard? Thank you!

Solve the following equations

The square root of x^3=8 i know the answer but confused on how to show how i go it. please show steps to the following answer x-1=3 = >x=4 3 square root of x^2=4 anwer is: =>x=2

Solving equations

(See attached file for full problem description) Solve a) Answer: Show work in this space. b) . Answer: Show work in this space. c) . Answer: Show work in this space.

Question About Evaluate Functions

I need to evaluate the functions for the values of x given as 1, 2, 4, 8, and 16. Describe the differences in the rate at which each function changes with increasing values of x. f(x) = 3x + 2 f(x) = x^2 + 5x + 6 f(x) = x^3 + 3x^2 + 2x + 1 f(x) = e^x f(x) = log x

Graph, degree of polynomial

1. Graph 3x+2y=6. Where do the points cross and how is the pair figured out? 2. Give the degree of 4x. 3. Solve the linear inequality by graphing. 3x + 4y <= 12 x + 3y <= 6 x >= 0, y >= 0 4. The demand and supply equations for a certain item are given by D = -5p + 40 S = -p^2 + 30p - 8 Find the eq

Common ratio of geometric series

Use the geometric sequence of numbers 1, 3, 9, 27, ... to find the following: a) What is r, the ratio between 2 consecutive terms? b) Using the formula for the nth term of a geometric sequence, what is the 10th term? c) Using the formula for the sum of a geometric series, what is the sum of the first 10 terms?