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If f(x) = 2x2 + 1, what is f(x) when x = 3?
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If f(x) = 2x2 + 1, what is f(x) when x = 3?

If f(x) = 2x2 + 1, what is f(x) when x = 3?-example-1
User Hamdog
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2 Answers

5 votes

Answer:

Explanation:

9

User Pankaj Prakash
by
7.7k points
2 votes

we have the function f(x)


f(x)=2x^2+1

For x=3

substitute in the function above


\begin{gathered} f(x)=2x^2+1 \\ f(3)=2(3^2)+1 \\ f(3)=18+1 \\ f(3)=19 \end{gathered}

therefore

the answer is 19

User Brygom
by
7.9k points
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