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F(x) = 2x2 - 1 What is f(x) when x=2 ?

F(x) = 2x2 - 1 What is f(x) when x=2 ?
asked 98.5k views
24 votes
F(x) = 2x2 - 1 What is f(x) when x=2 ?

asked
User Mwarning
by
8.7k points

1 Answer

9 votes

Answer:

7

Explanation:

To evaluate, substitute x = 2 into f(x), that is

f(2)= 2(2)² - 1 = 2(4) - 1 = 8 - 1 = 7

answered
User Cristian T
by
8.4k points
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