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Evaluate the solution at the specified value of the independent variable.

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Write and slove the differential equation that models the verbal statement. Evaluate the solution at the specified value of the independent variable.

The rate of change of V is proportional to V.  when t = 0, V = 20, 000, and when t = 4, V = 12, 500. what is the value of  V when t = 6?
asked Feb 16, 2015 in CALCULUS by anonymous

1 Answer

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Step 1 :

The rate of change of V  is proportional to V.

image

Where k  is proportionality constant.

Rewrite the above equation :

image

Apply integration on each side.

image

When image.

image

Step 2 :

Substitute image in equation (1).

image
When image.

image

Substitute image in equation (2).

image

Substitute image in above equation.

image

image

When image

Solution :

When image

answered Feb 24, 2015 by Thomas Apprentice

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