Question

Find (fog)(x) and (gof)(x) f(x) = 8x-5, g(x) = 10 - 2xhelp please ​

Answer 1

Answer:

$(fog)(x) = f( \: g(x) \: ) \\ = 8(10 - 2x) - 5 \\ = 80 - 16x - 5 \\ = - 16x + 75$

$(gof)(x) = g( \: f(x) \: ) \\ = 10 - 2(8x - 5) \\ = 10 - 16x + 10 \\ = - 16x + 20$

I hope I helped you^_^