Answered

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A function with an input of 4 has an output of 10. Which of the following could not be the function equation?y = 14 - xy = x + 6y = 2 x + 3y = (2.5) x

Sagot :

Explanation

To answer the question, we will have to test each of the function when x=4, y should give 10

For the first option y = 14 - x

[tex]\begin{gathered} y=14-4=10 \\ y=10 \end{gathered}[/tex]

for option 2: y=x+6

[tex]\begin{gathered} y=4+6 \\ y=10 \end{gathered}[/tex]

For option 3: y = 2 x + 3

[tex]\begin{gathered} y=2(4)+3 \\ y=8+3 \\ y=11 \end{gathered}[/tex]

For option 4: y = (2.5) x

[tex]\begin{gathered} y=2.5(4)=10 \\ y=10 \end{gathered}[/tex]

Thus, the only one that could not be the function will be y = 2 x + 3

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