The function f(x) varies inversely with x and f(x)=4 when x =12. what is f(x) when x=3?
a) 1
b)9
c)16
d)19

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

How many ordered pairs of positive integers satisfy xy=32?

Which of the following is the maximum value of the equation y=-x^2+2x+5 a. 5 b. 6 c. 2. d. 1