Match each number with their set

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x). a. (f-g)(x) = x + 15 o o b. (f- g)(x) = -x - 15 o c. (f- g)(x) = 5x + 3 o d. (f- g)(x) = -x+3 submit

It says factor each expression 49x-28?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year