Question

f(x) = x + 2g(x) = 3x2 – 5Find (f.g)(x).O A. (fºg)(x) = 3x3 + 10B. (f.g)(x) = 3x3 – 10c. (fºg)(x) = 3x3 + 6x2 – 5x – 10O D. (f.g)(x) = 3x3 + 6x2 + 5x + 10SUBMIT

Answer 1

$(f\circ g)(x)=f(g(x))=f(3x^2-5)$$=3x^2-5+2=3x^2-3$

then the answer will be

$=3x^2-3$