Determine if the graph of the function is concave up or concave down.

1. f (x) = - 4x^2 - 2x - 8

2. y = 2 (x+5) ^2 + 5

3. y = - 1/5 (x+1) ^2 - 1

Determine the value of z so that the area under the standard normal curve. 0500

What is a factorial and what is the purpose of it?

The graph for the first equation of a system is shown in orange. The second equation is: 3y+30=6x What is the solution to the system? 2.-10) (1.-8) (2.-14) 2.-6)

Suppose you buy a piece of office equipment for $18,000. After 4 years you sell it for a scrap value of $4,000. The equipment is depreciated linearly over 4 years. The rate of depreciation of the piece of equipment is

Verbal sentence for x squared minus 9 equal 27

Patty borrows $12,000 to pay for university tuition. The interest was compounded quarterly with and had a 9.04% interest rate. She made monthly payments of $450. How long would it take Patty to repay the loan?

A recipe that makes 3 dozen of cookies calls for 2/3 cup of sugar. If you have 4 cups of sugar and want to use it all, how many cookies can you make?

Order the fractions from least to greatest, 1/2, 2/3, 1/4, 5/6 simplified

What is 90 ft equal to in cm

If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the same, what is the formula to find the modified surface area