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iris [78.8K]
4 years ago
12

F(x) = x3 - 7 find(3)

Mathematics
1 answer:
ryzh [129]4 years ago
4 0

____________________________________________________

Plug in 3 to x:

f(x) = 3³ - 7

Solve:

f(x) = 3³ - 7

f(x) = 3 · 3 · 3 - 7

f(x) = 9 · 3 - 7

f(x) = 27 - 7

f(x) = 20

____________________________________________________

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