Calculus for business and econ HELP

[hiramoby]

Given

find

when x =

7 and

Answer

	a.
	b.
	c.
	d.
	e.

 

[tkhunny]

Did you have "Implicit Differentiation" explained to you? You will need that.

 

[HallsofIvy]

You should also know, and use, the "product rule"- the derivative of xy, with respect to x, is (dx/dt)y+ x(dy/dt). I assume that you know that the derivative of a constant is 0.