F(x) = the integral from 0 to x cos(t^2)dt. Use your calculator to find F’(1)

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Which fraction below is equivalent to 10/12?

How can you tell when x and y are not directly proportional?