+0  
 
0
51
2
avatar

1.

2

3.

Guest Mar 19, 2018
 #1
avatar+86861 
+2

Here's the first two

 

1.  Avg Rate of Change

 

f(9)  - f(5)            14 - (-2)             16

_______    =     _______   =        __       =      4

  9  -  5                 9 -   5                4

 

2.   (f/g)x   =  [ 4x^2 + 6x]  /  [ 2x^2 + 13x + 15 ]  =  [ 2x (2x + 3)] / [ (2x + 3) (x + 5)]  =

 

2x / (x + 5)

 

 

cool cool cool

CPhill  Mar 19, 2018
 #2
avatar
+1

3.)

 

 

x^2 - 6x + 8 = x-2

x^2 - 7x -6 = 0

(x-7)(x+1) = 0

x = 7 or -1 

Guest Mar 19, 2018

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