Is the amount of candy bars sold proportional to the money Isaiah received? How do you know?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

Find the dimensions of the circle. area = 64π in.² r= in.