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Power & Summation Rules

by ladyrae
Tags: power, rules, summation
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Jun12-04, 04:18 PM
P: 32
Is this simplified?

Use the power rule and the summation rule to find f ' (x) and simplify where possible

f(x) = ((2x^3)/5) - x^2 +3/8

f ' (x) = d/dt(((2x^3)/5) - x^2 +3/8) = ((6x^2)/5) - 2x

Is this the right answer?
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Jun12-04, 04:31 PM
P: 1,368
Looks fine from here.
Jun13-04, 11:55 AM
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P: 11,155
Except, it should be d/dx...not d/dt !

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