If y = 7x – x3 and x increases at the rate of 4 units per second, how fast is the slope of the curve changing when x = 2?

If $y = 7 x - x^{3}$ and x increases at the rate of 4 units per second, how fast is the slope of the curve changing when x = 2?

Matching exercise

Match the items on the right to the items on the left.

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