Not sure sorry I’m not good at math need help with something else..
Answer:
f(8) = -9
Step-by-step explanation:
Substitute 8 in for x.
f(8) = -2(8) + 7
f(8) = -16 + 7
f(8) = -9
It would be -(-31) because a negative and negative is a positive
21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8
