Question

f(x)=5-2x g(x)=x^2+8
a) calculate f(-3)
b)find
1)g^(2x)
2)f^-1(x)

Answer 1

Answer:

(fog)(x)=f(g(x))=2(3x+2)−1=6x+4−1=6x+3=3(2x+1)