Asked by Felicia

Find the instantaneous velocity at x=6 if
f(x)=radical 2x+4
Answered by oobleck
f(x) = √(2x+4)
f'(x) = 1/√(2x+4)
now just plug in your numbers
Answered by oobleck
power rule and chain rule
If y = u^n
and u is a function of x,
y' = n u^(n-1) * u'
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