If f(x)=x²+1 and g(x)=5x−3, what is f(g(x))?

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?