Quadratic Function

[ajorden]

How do I solve the quadratic function f(x)= 2x²-x-5 when f(-2.2)?

Do I just need to substitute x for -2.2?

 

[Deleted member 4993]

How do I solve the quadratic function f(x)= 2x²-x-5 when f(-2.2)?

Do I just need to substitute x for -2.2?

If I understand your statement corectly - the answer is yes.