CALCU WORD PROBLEM

[Guest]

For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula d=.05v^2 + v Find the instantaneous rate of change of distance with respect to velocity when the speed is 45 mph.

a. 11 mph
b. 4.5 mph I AM GETTING THIS FOR MY ANSWER, IS THIS RIGHT?
c. 46 mph
d. 5.5 mph

 

[stapel]

b. 4.5 mph I AM GETTING THIS FOR MY ANSWER, IS THIS RIGHT?

How? Please reply showing your work.

Thank you.

Eliz.

 

[Guest]

I will work on my steps. I think I did it wrong now after looking at it. Hold on a sec. Thanks.