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# compound intrest

\$15,000 is invested in an account paying 2.5% annual interest compounded quarterly. Find the amount of money in the account at the end of 10 years. Show work, round your final answer to the nearest...

# compositions of functions

Use composition of functions to show that the functions f(x)=8-3x and g(x)=-1/3 x+8/3 are inverse functions. That is, carefully show that (fog)(x)=x and show that (gof)(x)=x. Show work.

# Domain, x-intercepts, y intercepts

Let  P(x)=-2x^4+2x^3+12x^2 When factored, P(x)= -2x^2(x+2)(x-3) (a).State the domain. (b) State the x-intercepts: (c) State the y-intercept:

# Temperature and equations

The change in temperature in a certain chemical reaction is given by the equation:T(x)=-0.324x^3+10.3x^2-3.23 x is the length of elapsed time since the start of the reaction and T(x) is...

# Consider the equation. show work

Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two...

# Evaluate the Polynomial -2x^2 - x + 3 A. x = 2 B. x = -1

Evaluate the Polynomial -2x^2 - x + 3 A. x=2 B. x=-1   I am have real problems with this one.

# F(x) help show work

Let f(x)=e3x   (a.) Find the inverse function of f. Show work. (b.) What is the domain of f ? What is the domain of the inverse function?

# Intermediate Value Theorem

For f (x) = x^4 – 3x^2 − 8, use the Intermediate Value Theorem to determine which interval must contain a zero of f. Work/Explanation required 4. _______ A. Between 0 and 1 B. Between...

Ace Car Rental Company rents a car for \$50 per day and \$0.25 per mile driven. Laura is a customer who wants to keep her car rental bill at \$100 or less. At most how many miles can she drive in one...

# find the numbers. show work

One number is 6 less than another. The product of the numbers is 72. Find the numbers. show all work.

# Find the average and show all work

In 2009, the traffic fatality rate in the United States was the lowest since the federal government bean records in 1966. There were 43,510 highway deaths in 2005. This number decreased to 33,963...

# Average word problem

The U.S. annula per-capita consumption of broccoli was 3.1 lb in 1990. By 2007, this amount had risen to 5.5lb. Find the average rate of change in the consumption of broccoli from 1990 to 2007. Show...

# Convert the following fraction or mixed number to a percent. 1/8

Convert the following fraction or mixed number to a percent. 1/8

# volume help. show work

At A water tank is being filled by water being pumped into the tank at a volume given by the formula, P(t) = 60t +1060, where t is in minutes. At the same time the water tank has a leak and the...

# 7x^2+17x+6 how do you factor the trinomial of the form ax^2+bx+c

im stuck with one the problem i just need the equation as a example so i can be able to do the rest of the equations

# Preform the indicated operation. Simplify if possible

Preform the indicated operation. Simplify if possible        3     -    7   x^2-4     x+2

# solve by the method of your choice

(-30x∧2)+8x=6   x=