3 years ago

Simplify 12 - (-8) ×5 = ?A 16B 44C -20D 80

Mathematics

1 answer:

Ann [662]3 years ago

6 0

The answer C -20
hope this helped

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Solve for x if a≠0, a≠3:<br> 3-a/x-a=1/a<br> (a picture will be provided as well)

katrin2010 [14]

Answer:

x=4a-a^2

Step-by-step explanation:

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3 years ago

Find the derivative of f(x) = 6x + 2 at x = 1.

earnstyle [38]

$f'(x_0)=\lim\limits_{x\to x_0}\dfrac{f(x)-f(x_0)}{x-x_0}\\\\f(x)=6x+2;\ x_0=1\\\\f'(1)=\lim\limits_{x\to x_0}\dfrac{(6x+2)-(6\cdot1+2)}{x-1}=\lim\limits_{x\to x_0}\dfrac{6x+2-8}{x-1}\\\\=\lim\limits_{x\to x_0}\dfrac{6x-6}{x-1}=\lim\limits_{x\to x_0}\dfrac{6(x-1)}{x-1}=\lim\limits_{x\to x_0}6=6\\\\\\Answer:\boxed{f'(1)=6}$