Help needed ASAP I will give 100 points and

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.