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Find the value of f'(4) when f(x)=5/3x^3/2+8x^1/2
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3 votes
Find the value of f'(4) when
f(x)=5/3x^3/2+8x^1/2

User Cosmosis
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1 Answer

4 votes
To figure this out plug in 4 for x

f(4)=5/3(4)^3/2+8(4)^1/2 = 5/3(8) + 8(2)
= 5/3 x 8 + 16 = 40/3 +16 = 88/3

Hope this helps!
User Dean Smith
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