Simplify each expression 3/5y +(-6/5y)

Mathematics

2 answers:

I am Lyosha [343]3 years ago

4 0

Answer:

-3/5y

Step-by-step explanation:

. first you multiply the signs

3/5y -6/5y

LCM is 5y

3-6/5y

-3/5y

ololo11 [35]3 years ago

3 0

Answer:

(3-6)/5 * y= -3y/5

Step-by-step explanation:

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$\text{Hi there! :)}$

$\large\boxed{f'(2) = -\frac{16}{27} }$

$f'(x) = \frac{(5 + x^{2} )(-2x) - (7 - x^{2} )(2x)}{(5+x^{2})^{2} } \\\\f'(x) = \frac{-10x-2x^{3}- 14x + 2x^{3} }{(5+x^{2})^{2} } \\\\f'(x) = \frac{-24x}{(5+x^{2})^{2} }\\\\ \text{Solve for the derivative at f'(2) using substitution:}\\\\f'(2) = \frac{-24(2)}{(5+2^{2})^{2} } \\\\f'(2) = \frac{-48}{81} \\\\\text{Simplify:}\\\\f'(2) = -\frac{16}{27}$