Which method do you prefer, using a giant one or a percent ruler? why? -

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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