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Nine times the input minus seven is equal to the output. If the input is -1, what is the output?

0-16
0-2
0-72
02.

User Akheloes
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1 Answer

1 vote

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f(x) = 9x - 7


f( - 1) = 9( - 1) - 7


f( - 1) = - 9 - 7


f( - 1) = - 16

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User Lisette
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