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September 21, 2014

September 21, 2014

Posted by **lisa** on Saturday, March 9, 2013 at 2:42pm.

Express your answer as an exact fraction.

- calculus -
**bobpursley**, Saturday, March 9, 2013 at 2:50pmwhat are you using this symbol ^ for?

- calculus -
**lisa**, Saturday, March 9, 2013 at 2:53pmits cubed

- calculus -
**bobpursley**, Saturday, March 9, 2013 at 3:00pmdo you meant the f(x)=cubrtx ?

then f'= 1/ 3(cubrtx)^2

f(7)=f(8)-f'(1)=cubrt8-1/3(cubrt1)2

= 2-1/3=1 2/3=5/3

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