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zhenek [66]
3 years ago
7

HELP! 15 POINTS! 1 QUESTION!

Mathematics
1 answer:
umka2103 [35]3 years ago
6 0

f(x) = 8x-9

substitute 4 in for x

f(4) = 8(4) -9

f(4) = 32 -9

f(4) =23

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