If f (x) = 2 x + 5 and three-halves are inverse functions of each other and f (x) = 2x+5, what is f-1 (8) ?

A. - 1

B. 3/2

C. 41/8

D. 23

Found the answer, its B. 3/2!

The Martin familys truck gets an average of 25 miles per gallon. Predict how mang miles they can drive using 7 gallons of gas

Find the sum. Write your answer in simplest form. 2 1/2 + 5 5/8

Tina brought two less than one-fourth of the number of t-shirts as Maria. If Tina brought three shirts, how many did Maria bring? 20 t-shirts 15 t-shirts 9 t-shirts 5 t-shirts

What is the answer to - 2/3 + - 4/5

Three friends ate dinner at a restaurant. The friends decided to add a 15% tip and then split the bill evenly. Each friend paid $10.35. What was the total bill for dinner before tip?

What is 15/21 subtracted by 5/7 equal?

In the slope - intercept equation of a line which quantity is given by the coefficient of the term x-term?

If f (x) = 2x2 - 10, find f (5). 90 10 7.5 40

What' is 8.2 times 10 to the negative second power in decimal form

Which ordered pair (*, y) satisfies the inequality?