Asked by Jazmin (please help)
Calculate the average rate of change of the given function over the given interval. Where appropriate, specify the units of measurement.
f(x) = 1/x;[2, 7]
I used the f(b)-f(a)/b-a and I got -.071 and it said I was wrong could you please help me find my error?
WROK:
y1= 1/x (put this for my y-value in my calculator
then (y1(7)-y1(2))/(7-2) which equals -.071
f(x) = 1/x;[2, 7]
I used the f(b)-f(a)/b-a and I got -.071 and it said I was wrong could you please help me find my error?
WROK:
y1= 1/x (put this for my y-value in my calculator
then (y1(7)-y1(2))/(7-2) which equals -.071
Answers
Answered by
Reiny
f(2) = 1/2
f(7) = 1/7
avg rate of change = (1/7 - 1/2)/(7-2)
= (-5/14)/5)
= -1/14
don't go with decimals, they are not accurate,
stay with fractions for exact answers.
f(7) = 1/7
avg rate of change = (1/7 - 1/2)/(7-2)
= (-5/14)/5)
= -1/14
don't go with decimals, they are not accurate,
stay with fractions for exact answers.
Answered by
Jazmin (please help)
thank you apparently that is all I had to do=)
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