Hermione

Differentiate the following functions using first principles a)f(x)=4x²+x b)g(x)=-8x²-5x+13 c)m(y)=1/1-yx d) f(x)=-8/y e) f(x)=square root x

Integrate sin² x dx

Find y' y = [x + cos(x)]4

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The cell chambers appeared to be empty because they were, in fact, dead and dry cells.

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1.B 2.D 3.C 4.B

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It's 3 years

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So what is the answer