SOLUTION: These are the only 2 I'm having problems with. I know how to solve them when f(x)= a number. But how do i solve it when there is a number = a number? If f(x) = 3x3 + 9x2 - x

Algebra ->  College  -> Linear Algebra -> SOLUTION: These are the only 2 I'm having problems with. I know how to solve them when f(x)= a number. But how do i solve it when there is a number = a number? If f(x) = 3x3 + 9x2 - x      Log On


   



Question 332792: These are the only 2 I'm having problems with. I know how to solve them when f(x)= a number. But how do i solve it when there is a number = a number?
If f(x) = 3x3 + 9x2 - x + C and f(3) = 1, what is the value of C?

If f(x) = (x-5A)/(-10x+2) and f(-10) = -15, what is the value of A?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!










So just solve



Work the other one the same way.

John

My calculator said it, I believe it, that settles it