A function with an input of 1 has an output of 3. Which of the following could not be the function equation?

y = x + 2
y = 3x
y = 2x + 1
y = x - 2

By: USER5857
29 Agustus 2025 mathematics 5 minutes
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Question

Grade: Education Subject: mathematics
A function with an input of 1 has an output of 3. Which of the following could not be the function equation?

y = x + 2
y = 3x
y = 2x + 1
y = x - 2
Asked by:
176 Viewed 176 Answers

Answer (176)

Best Answer
(25)
I think it is y = x - 2 .
Answered on 29 Agustus 2025
(124)
Substitute your x and y into the equations x=1 y=3
Y = x - 2
3 = 1 - 2. Is not a true statement and is your answer
Answered on 29 Agustus 2025

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