Which function has an inverse function?

A. f (x) = |x+3|/5

B. f (x) = x^5-3

C. f (x) = x^4/7+27

D. f (x) = 1/x²

What is 4 7/10 as an improper fraction

The number 21 is a (n) - number because

Write a function rule to describe the the amount of change c (x) you get from a $20.00 bill if you buy x pounds of candy at $2.25 a pound. c (x) = 20x + 2.25 c (x) = 20x - 2.25 c (x) = 20 - 2.25x c (x) = 20 + 2.25x w

Translate the question to proportion. 32% of what number is 27?

What is 240:30? A 245 B 456 C 3456 D 8

Find the percent of error if the estimate is $230 and the actual amount is $245. round to the nearest whole percent.

What is the property of 85+0=

Which equation has no solution A) |-x - 3| = 5 B) |2x - 1| = 0 C) |5 - 3x| = - 8 D) |-x + 9| = 0

Identify the fractions as proper, improper, or mixed; however, if the fraction is equivalent to one, indicate so. 3 1/8

2) Evaluate the expression * x3 - 3y for x = 1, y = 4/3