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33 votes
33 votes
If f(x) = x³ - 2, find f(3).

User Tsukimi
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2 Answers

19 votes
19 votes
So if f(x) = x^3 - 2 you would insert three in the function

So instead of x it’s 3.

3^3 - 2 = 9 -2
= 7

So the answer of the function is 7.
User Gilmishal
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10 votes
10 votes


f(x) = x {}^(3) - 2 \\ f(3) = 3 {}^(3) - 2 = 27 - 2 = 25


f(3) = 25

User HamiltonUlmer
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