piecewise functions: continuity and average value

Student10

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Jan 21, 2007
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1
Not sure where to go, after a....

Let f be the function defined by:

. . .f(x) = (x + 1)^(1/2) for 0 < x < 3
. . .f(x) = 5 - x for 3 < x < 5

a) Is f continuous at x = 3? Explain why or why not.

b) Find the average value of f(x) on the closed interval 0 < x < 5

c)Suppose the function g is defined by:

. . .g(x) = k(x+1)^(1/2) for 0 < x < 3
. . .g(x) = mx+2 for 3 < x < 5,

where k and m are constants. If g is differentiable at x = 3, what are the values of k and m?
 
What have you tried?
Have you done any work on these for yourself?
At least tell us where you have trouble.

Just listing problems is not asking for help!
It is asking for someone else to do them.
 
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