Question

F(x) = 2x2 + 1, what is f(x) when x = 3?
0 1
O 7
O 13
O 19

Answer 1

f(x) = 19

Explanation:

f(x) = 2x2 + 1

f(x) = 2(3)2 + 1

f(x) = 2(9) + 1

f(x) = 18 + 1

f(x) = 19

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