SOLUTION: If f(x) = x2 + x3, then f(-3) equals ___________ ____.

Algebra ->  Functions -> SOLUTION: If f(x) = x2 + x3, then f(-3) equals ___________ ____.      Log On


   

Question 889727: If f(x) = x2 + x3, then f(-3) equals ________________.
Answer by luke94(89) About Me  (Show Source):
You can put this solution on YOUR website!
sub -3 into wherever you see x
(-3)^2 + (-3)^3 = 9 - 27 = -18