Question

What is f(3) if f(x) = –4x + 1?

Answer 1

f(3) = 13

Explanation:

4x3=12

f(3)=12+1

12+1=13

Answer 2

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Answer = -11

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Known

f(x) = -4x + 1

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Question

f(3) = ..?

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Way to do

#since the x in (x) changed into (3) this means that the x change into (3)

f(3) = -4(3) + 1

f(3) = -12 + 1

f(3) = -11

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