Which function has an inverse that is a function?

1. b (x) = x2 + 3

2. d (x) = - 9

3. m (x) = - 7x

4. p (x) = |x|

Dana Gould's gross weekly pay is $766. Her earnings to date for this year total $28,712. What is the amount deducted from her pay per week for social security, which is taxed at 6.2%

Which measures of central tendency are the most representative of the data set? 23, 50, 49, 48, 49, 32, 37, 40, 41, 42, 41, 41, 43 a.) mean, mode and median b.) mean, mode c.) range, median d.) mean, median

An airplane can fly at a speed, that allows it to fly 50 yards in 3⁄2 of a second. How long will it take an airplane at the same speed to fly 20 yards? Write your answer as a fraction of a second.

You are at the mall on one of those cool rock climbing walls. You climb to the top of one that is 30 feet tall. Your friend is at another wall 20 feet away from you.

2.5 miles compared to 1.8 meters

Y=2x^2-2x+7 in vertex form

What is 3.502 rounded to the nearest tenth

How to solve (-2-2i) (-4-3i) (7+8i)

A pyramid has a height of 5 in. And a surface area of 90in squared. Find the surface area of a similar pyramid with a height of 10in. Round to the nearest tenth if necessary. a) 360 in squared b) 180 in squared c) 22.5 in squared d) 3.6 in squared

Identify the Formula for finding the nth term of an Arithmetic Sequence, where A (n) is the nth term of an Arithmetic Sequence, a is the first term, n is the term number and d is the common difference.