Question

For the function g(x)=5x2+4x−5, find g(−5)

Answer 1

100

Explanation:

g(x)=5x^2+4x−5

Let x = -5

g(x)=5 ( -5)^2+4(-5)−5

= 5*25 - 20 -5

=125 - 25

= 100