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Elanso [62]
3 years ago
11

Helpppppppppppppppppppp

Mathematics
1 answer:
denis23 [38]3 years ago
7 0

Answer:

\frac{x + 2}{x - 2}

Step-by-step explanation:

This is much easier to solve actually since both expressions have the same denominator.

To solve it therefore,just sum the numerators

(x²-4x-2)+(8x+6)

x²+4x+4 Now divide by the common denominator

x²+4x+4/x²-4

Factorize both numerator and denominator

(x+2)(x+2)/(x-2)(x+2)

Cancel out common terms

x+2/x-2

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Please answer this question
dlinn [17]

Graph 1: Domain = [-6,6]  

Graph 1: Range = {-5,-1,0}

Graph 2: Domain = (-4, infinity)  

Graph 2: Range = {-4} or [-2, infinity)

Graph 3: Domain = (-infinity, infinity)  

Graph 3: Range = [-5, infinity)

Graph 4: Domain = [-5.5, infinity)  

Graph 4: Range = (-infinity, infinity)

7 0
3 years ago
Read 2 more answers
Least to greatest 4, |-2|,3,|5|,-1 helppppppl
Likurg_2 [28]

Answer:

-1 , |-2| , 3 , 4 , |5|

Step-by-step explanation:

upright bars | | mean absolute value

upright bars | | make the number inside them

positive

|-2| = 2

|5| = 5

4, |-2|,3,|5|,-1

-1 , |-2| , 3 , 4 , |5|

3 0
2 years ago
Read 2 more answers
Volume of a sphere with a radius of 3
Musya8 [376]

Answer:

113.1

Step-by-step explanation:

6 0
3 years ago
(5m 2 - 2m + 1)(3m - 4)
nirvana33 [79]
15m ^3 - 26m^2 +11m - 4 is the result of the product.

(5m^2 -2m +1)(3m-4)
On opening the bracket, we multiply the terms,
= 15m^3 -6m^2 +3m -20m^2+8m -4
= 15m ^3 - 26m^2 +11m - 4
This is the result of the product
When we mutiply the two equations.
4 0
4 years ago
Find the x-coordinate of the point on the graph of y=x^2 where the tangent line is parallel to the secant line that cuts the cur
jek_recluse [69]
First find the secant line. The slope of the secant line through (-1,1) (when x=-1) and (2,4) (when x=2) is the average rate of change of y=x^2 over the interval [-1,2]:

\text{slope}_{\text{secant}}=\dfrac{2^2-(-1)^2}{2-(-1)}=\dfrac33=1

The tangent line to y=x^2 will have a slope determined by the derivative:

y=x^2\implies y'=2x

Both the secant and tangent will have the same slope when 2x=1, or when x=\dfrac12.
4 0
3 years ago
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