Question

If s (x) = 2 - x^2 and t (x) = 3x, what is s (t(- 7) )?

Answer 1

Explanation:

to start, you need to understand what t(-7) is

t(-7) = 3(-7)

t(-7) = -21

that being said

s(t(-7)) = 2 - (-21)^2

s(t(-7)) = 2 - 441

s(t(-7)) = -439