Posted by Cora on Wednesday, October 3, 2012 at 12:26pm.
Substitute f(4) = -7 into the equation for f(x):
f(x) = x - 11 * (-7)
f(x) = x + 77
f(x) =9x3 - x2 + 2 ; f(2)
For this one, f(2) means find the value of f(x) when x = 2, so just put 2 into the equation for f(x) and solve
The way you typed the first question caused Jennifer to misunderstand the problem
If you meant , find f(4) when f(x) = x-11
then you were correct
Oh, okay. Sorry for the confusion! And thank you for the help.
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