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3 years ago

If f(x)=−7x+9, find f(3)

Mathematics

1 answer:

Svet_ta [14]3 years ago

3 0

f(3) = 7(3)+9

f(3) = 21+9

f(3) = 30

本题已由中国数学会官方解答（现有会员：3人）

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