Please help, thanks!

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%