Answer:
when x=3, the answer is
f(3)=36
Step-by-step explanation:
You need to plug in 3 for x and then solve. :)
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18
Wherever you put a 3 in for the x's that are on the right.
f(x) = 2x^2 - 3x + 9
f(3) = 2*3^2 - 3(3) + 9
f(3) = 2*9 - 9 + 9
f(3) = 18
