Question

If g(x) = 3x + 2 and f(x) = 5x - 4, what is f(g(x)) ?

Answer 1

you set them = to each other

3x+2= 5x-4 (subtract 5x from both sides)

-2x +2 = -4 (subtract 2 from both sides)

-2x = -6 (divide by -2)

x = 3 (your answer)

Answer 2

y = 15x + 6

Explanation: