What is the derivative of f(x) = 10 + sqrt(2x + 32)?

2 answers

very straightforward question

f(x) = 10 + (2x+32)^(1/2)

f ' (x) = (1/2)(2x+32)^(-1/2) * 2
= 1/√(2x+32)
Why is it multiplied by 2?
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