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nikitadnepr [17]
4 years ago
14

F(x)=-1/3x+7 Determine the input that would give an output value of 2/3.

Mathematics
1 answer:
Feliz [49]4 years ago
5 0

Answer:

x = 19

Step-by-step explanation:

To solve for x, set f(x) equal to the output value, hence

- \frac{1}{3} x + 7 = \frac{2}{3}

Multiply all terms by 3 to eliminate the fractions

- x + 21 = 2 ( subtract 21 from both sides )

- x = - 19 ( multiply both sides by - 1 )

x = 19


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