Question

find the value of
p(y) =2y³-2y+7 for y=-2​

Answer 1

Answer:

p(2) = 2×- 2×-2×-2 - 2×-2 + 7

2p = -16 + 4 + 7

2p = -12 + 7

2p = -5

p = -5/2

p = -2.5