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3 years ago

12

Given f(x) = √(x-3) , what is the positive value of f(12)?

1 answer:

Shalnov [3]3 years ago

6 0

Answer:

3

Step-by-step explanation:

Given

f(x) = $\sqrt{(x-3)}$ , then

f(12) = $\sqrt{12-3}$ = $\sqrt{9}$ = ± 3

There are 2 values 3 and - 3

The positive value of f(12) is + 3

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