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Yang K.

Intern at a Non-Profit

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Pre-Calculus

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Question:

determine the derivative of f, given f(x)=3x^2+4x

Yang K.

Answer:

f'(x)=(3*2)x+4=0 6x+4=0 6x=-4 x= -4/6 x=-2/3

Basic Math

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Question:

4*0.1+6

Yang K.

Answer:

(4*0.1)+6 0.4+6 6.4

Algebra

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Question:

Solve linear and quadratic equations. a) 3x+4=40 b)x^2 +13x = -30

Yang K.

Answer:

a) 3x+4=40 b)x^2 + (10+3)x +(3*10)=0 3x=40-4 (x+10)(x+3)=0 3x=36 x+10 =0 or x+3=0 x= 36/3 x=-10 or x= -3 x=12

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