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Brut [27]
3 years ago
15

If f(3) = 15 and f(5) = 45, which of the following could be f(x)?

Mathematics
1 answer:
Katen [24]3 years ago
5 0
F(x) = 2x² - x
f(3) = 2(3)² - 3
f(3) = 2(9) - 3
f(3) = 18 - 3
f(3) = 15

f(x) = 2x² - x
f(5) = 2(5)² - 5
f(5) = 2(25) - 5
f(5) = 50 - 5
f(5) = 45

The answer is C.
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