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marshall27 [118]
3 years ago
9

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

Mathematics
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer:

19

Step-by-step explanation:

f(x) = 2x^2 + 1

Let x= 3

f(3) = 2 * (3)^2 +1

Exponents first

     = 2 * 9+1

Then multiply

     = 18+1

Add

   = 19

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