Question

F(x)=3x^5-4x^4+45, find f(-2)

Answer 1

3*(-2)^5-4*(-2)^4+45 = -115

Explanation:

Answer 2

F(-2) = -115

Explanation:

F(x)=3x^5-4x^4+45

let x = -2

F(-2)=3(-2)^5-4(-2)^4+45

= 3*(-32) -4(16) +45

= -96-64+45

=-115