Let F be defined by f(x)=x^3. then f(x+h)-f(x-h)/2h=?

I plugged it into the calculator but it just gives me back the exact equation and not an answer?

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- Mar 4th 2012, 04:35 PMShankerHow to solve this question with a ti-89
Let F be defined by f(x)=x^3. then f(x+h)-f(x-h)/2h=?

I plugged it into the calculator but it just gives me back the exact equation and not an answer? - Mar 6th 2012, 11:31 AMearbothRe: How to solve this question with a ti-89