# - 15+10 has a horizontal tangent line. If there isFind all the value(s) of z at which f(z) 72. 15z + 10 has a horizontal tangent line. If there is more than oneanswer, give all of the z-values separated by commas, e.g. if f(z) has a horizontal tangent line atz 3 andz 5 enter3,5.Provide your answer below:

Question help_outlineImage Transcriptionclose- 15 +10 has a horizontal tangent line. If there is Find all the value(s) of z at which f(z) 72. 15z + 10 has a horizontal tangent line. If there is more than one answer, give all of the z-values separated by commas, e.g. if f(z) has a horizontal tangent line atz 3 andz 5 enter 3,5. Provide your answer below: fullscreen
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Step 1

The slope of the horizontal lines are zero.

For a horizontal tangent line, the derivative of the function will be zero.

The given function is

Step 2

Initially, obtain the derivative of the given function.

Step 3

Now equate the deriva...

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### Calculus 