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icang [17]
2 years ago
5

For the function: f(x) = 18 − x − x2 Find f(9)

Mathematics
1 answer:
Nana76 [90]2 years ago
4 0
F(9) = 18-9-(9)^2

=> f(9) = 18-91-81

=> f(9) = -153
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