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|

How many possible outcomes are there when you roll five dice?

A pyramid has a square base with sides 8" and a slant height of 5". total area = a. 224 square units b. 200 square units c. 144 square units

Given a 13-card bridge hand has been dealt from a standard deck of 52 cards, what is the probability of having a) exactly 6 hearts? b) exactly 7 hearts, three diamonds, two clubs, and one spade? Round your percentages to three decimal places.

Which of the following is not an identity? A. cos^2 x csc x - csc x = - sin x B. sin x (cot x + tan x) = sec x C. cos^2 x - sin^2 x = 1 - 2sin^2 x D. csc^2 x + sec^2 x = 1

Which of the following has no effect on the monthly payment? O A. Interest rate O B. Down payment O c. Vehicle's color O D. Numbers of months the car is expected to be financed

The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 89 87 85 34

How many arrangements of the letters in peppermill are there with?

Y = - 4x + 2 y = x - 3

What is the factored form of the polynomial? x2 + 9x + 20 (x - 4) (x - 5) (x - 2) (x - 10) (x + 4) (x + 5) (x + 2) (x + 10)

290 pennies are equal to how many dimes