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September 23, 2014

September 23, 2014

Posted by **Rudy** on Monday, October 8, 2012 at 9:52pm.

h(z)=z^(2/7)-z^(5/8) when z=7

- Calculus -
**Reiny**, Monday, October 8, 2012 at 10:22pmh ' (z) = (2/7)z^(-5/7) - (5/8)z^-3/8

when z = 7

slope = (2/7)(7^-5/7) - (5/8)(7^(-3/8)

= 2/7^(12/7) - 5/(8(7^(3/8)))

= you do the button-pushing if you need a decimal answer

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