Answer:
f = 9.25 (I think but maybe I read f(4) wrong)
Explanation:
so f(4) means x = 4.
The new equation is
f(4) = 2x4 ^2 - 4 + 9you first do 2x4^2. The minus 4. The add 9.the answer to that is 4f = 37
Then solve
F = 9.25
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