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Which is a zero of the function f(x)=3x−12?
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Which is a zero of the function f(x)=3x−12?

User Mikasa
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1 Answer

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Answer: x = 4

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Step-by-step explanation:

Replace f(x) with 0 and solve for x.

f(x) = 3x-12

0 = 3x-12

3x-12 = 0

3x = 12

x = 12/3

x = 4 is a zero, aka root, of the function

---------------

Check:

f(x) = 3x-12

f(4) = 3(4)-12

f(4) = 12-12

f(4) = 0

The answer is confirmed.

User Bukola
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