Question

Please help its due tomorrow
f(x)=4x^2+5x+3
g(x)=5x-7
find g(f(x))

Answer 1

20x² + 25 x + 8

Explanation:

f(x) = 4x² + 5x + 3

g(x) = 5x -7

Then:

g(f(x)) = 5(4x² + 5x + 3) -7

g(f(x)) = 20x² + 25x + 15 - 7

g(f(x)) = 20x² + 25x + 8