Question

If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (tg)(-2)?

Answer 1

68

Explanation:

f(g) = 8 - 10(5x + 4) = 8 - 50x -40 => -32 - 50x

f(g)(-2) = -32 - 50(-2) = -32 + 100 = 68