Question

If f(x)=x²-x what is f(-5)​

Answer 1

f(-5) = 30

Explanation:

When given a function such as: f(x)=x²-x

"f(-5)​" means the value of that function when x = -5

f(x)=x²-x

f(-5)=(-5)²-(-5) [for x=-5]

f(-5)=25-(-5)

f(-5)=25+5

f(-5)=30