SOLUTION: I'd appreciate a response on this, tried to resolve a few times and couldn't get it right. Find the average rate of change of the function f(x)= 3÷2x-4 on the interval [-1,5

Question 1165893: I'd appreciate a response on this, tried to resolve a few times and couldn't get it right.
Find the average rate of change of the function
f(x)= 3÷2x-4 on the interval [-1,5].

Answer by ikleyn(52798) (Show Source): You can put this solution on YOUR website!
.


The function is defined this way  f(x) = ,  correct ?


If so, then you should do the following:


    1)  Calculate  f(-1) =  =  =  = -0.5.


    2)  Calculate  f(5) =  =  = 0.5.



    3)  Calculate  the difference  f(5) - f(-1) = 0.5 - (-0.5) = 0.5 + 0.5 = 1.



    4)  Relate this difference to the length of the given interval 5 - (-1) = 5+1 = 6.



        You get then the average rate of change =  = .    ANSWER

Is just something that you do not understand in my explanation ?

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