Question

f(x)=2x+1,(fog)(x)=2x²+7 then find g(x)​

Answer 1

Answer:

f(x)=2x+1,(fog)(x)=2x²+7 then, g(x) = x^2 +3 .

Step-by-step explanation:

f(x) = 2x + 1

( fog)(x) = 2x^2 +7 = 2(x^2 +3) +1

=> f(g(x)) = f(x^2 +3)

=> g(x) = x^2 +3