Given f(x)=2x²+7 g(x)=10x²+5x h(x)=2x²+6x+4
1. (f•g)(x)
2.(f+g)(3)
3.(g-h)(10)
4.(goh)(-7)
5.(gof)(x)
6.(g(5(h(2))
7.(f+g)(goh)(x)
8.(g-h)(h•g)(x)​