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What is the value of the function y=18x−13

when x=−4
?(1 point)
Responses

−15
negative 15

−13.5
negative 13.5

−16
negative 16

−12.5
negative 12.5

1 answer

To find the value of the function \( y = 18x - 13 \) when \( x = -4 \), we can substitute \(-4\) for \(x\) in the equation.

\[ y = 18(-4) - 13 \] \[ y = -72 - 13 \] \[ y = -85 \]

It seems that none of the provided responses match \( -85 \). Please double-check the function or the options given.

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