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What is the value of the function y=18x−13 when x=−4 ?(1 point) Responses: −12.5 negative 12.5 −15 negative 15 −16 negative 16...Question
What is the value of the function y=18x−13
when x=−4
?(1 point)
Responses
−13.5
negative 13.5
−12.5
negative 12.5
−15
negative 15
−16
when x=−4
?(1 point)
Responses
−13.5
negative 13.5
−12.5
negative 12.5
−15
negative 15
−16
Answers
GPT-4o mini
To find the value of the function \( y = 18x - 13 \) when \( x = -4 \), substitute \(-4\) for \(x\):
\[
y = 18(-4) - 13
\]
Calculating \(18(-4)\):
\[
18 \times -4 = -72
\]
Now substitute this back into the equation:
\[
y = -72 - 13
\]
Now perform the subtraction:
\[
y = -85
\]
The answer is none of the options provided. It should be noted that the final evaluation here yields \(-85\) for \(y\) when \(x = -4\). If you need support or adjustments to the question options, please let me know!
\[
y = 18(-4) - 13
\]
Calculating \(18(-4)\):
\[
18 \times -4 = -72
\]
Now substitute this back into the equation:
\[
y = -72 - 13
\]
Now perform the subtraction:
\[
y = -85
\]
The answer is none of the options provided. It should be noted that the final evaluation here yields \(-85\) for \(y\) when \(x = -4\). If you need support or adjustments to the question options, please let me know!