Question

me ajudem com a 8 e a 9

Answer 1

8) f(6) = 3
f(-4) = 2(-4)-7 = -8-7 = -15
f(-2) = 2(-2)-7 = -4-7 = -11
f(1) = 2(1)-7 = 2 - 7 = -5

9)