Question

p(x)=xsqure+5x-4then findp(1)andp(-1)​

Answer 1

Answer:

p(1) = 2

p(-1) = -8

Explanation:

p(1) = 1² + 5 · 1 - 4

p(1) = 1 + 5 - 4

p(1) = 2

p(-1) = -1² + 5 · (-1) - 4

p(-1) = 1 + (-5) - 4

p(-1) = 1 - 5 - 4

p(-1) = -8