Answer:
50% I believe?
Step-by-step explanation:
21.
f(x) = 2x^2 - 3x + 7.
When x = -2,
f(-2) = 2(-2)^2 - 3(-2) + 7
= 2(4) - (-6) + 7
= 8 + 6 + 7
= 21.
(2+2)-12
4^3
you can write it like 4 × 4 × 4
you can also call it "Four to the Third power". or "Four cubed".
