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What is the input of the function f(x)=7x-32 when given f(x)=20?

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Final answer:

The input of the function f(x) = 7x - 32 when given f(x) = 20 is approximately 7.43. This is found by replacing f(x) with 20 and solving for x.

Step-by-step explanation:

The student asks for the input of the function f(x) = 7x - 32 when f(x) = 20. To find this, we replace f(x) with 20 in the equation and then solve for x:

20 = 7x - 32

By adding 32 to both sides:

20 + 32 = 7x

52 = 7x

And then dividing both sides by 7:

x = 52 / 7

x ≈ 7.43

Thus, the input x is approximately 7.43 when f(x) = 20.

User Darryl RN
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