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

F(x) = 2x2 + 1, what is f(x) when x = 3?
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5 votes
F(x) = 2x2 + 1, what is f(x) when x = 3?

User Kaustubh
by
8.7k points

1 Answer

2 votes

Answer:

f(3) = 19

Explanation:

Substitute 3 for x.

f(3) = 2(3)² + 1

f(3) = 2(9) + 1

f(3) = 18 + 1

f(3) = 19

User Derek Thurn
by
8.9k points
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