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2 votes
F(x)=|9-4x| find f(7)

User Dek Dekku
by
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1 Answer

7 votes

Answer:

-19

Explanation:

put 7 in for x, 9-4(7) 4x7=28 then minus 9=19 but the lower number (9) is before the larger number (28) so the answer is negative.

User Pierre Gramme
by
7.2k points