Kevin G.

University of California, Berkeley Undergraduate

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Spanish

TutorMe

Question:

Translate the following phrase (accents are not necessary for this question): - I spent the whole summer trying to find a job, but I had no luck.

Kevin G.

Answer:

Me pase todo el verano tratando de encontrar un trabajo, pero no tuve suerte.

Basic Math

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Question:

Find x given the following information: $$ x^2+7=25 $$

Kevin G.

Answer:

$$ x^2+7=25 $$ $$ x^2=18 $$ $$ x=\sqrt{18} $$ $$ x=3\sqrt{2} $$

Calculus

TutorMe

Question:

Find the first derivative of the following equation: $$ f(x)=xe^x-x^2+1 $$

Kevin G.

Answer:

$$ f(x)=xe^x-x^2+1 $$ $$ f'(x)=x(\frac{d}{dx} e^x)+(\frac{d}{dx} x)e^x-(\frac{d}{dx} x^2)+(\frac{d}{dx} 1) $$ $$ f'(x)=xe^x+e^x-2x $$

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