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Q1)

Q2)

Q3)

 

Thanks!!

 Mar 12, 2019
 #1
avatar+103972 
0

First one...

 

The low point on the graph on  this  interval  = -36  =  relative min

The high point on the graph on this interval  = 64 =  relative max

 

Second one

 

(f + g) (x)  =   f(x) + g(x)   =  [ x^2 - 36 ]  +  [ x^3 + 2x^2 - 10  ]   =   x^3 + 3x^2 - 46

 

Last one

 

(f * g)  (x)   =  f(x) * g(x)   =  (x^4 - 9) ( x^3 + 9)  =   x^4 *x^3 + 9x^4 - 9x^3  - 9 * 9  =  x^7 + 9x^4 - 9x^3 -  81

 

 

cool cool cool

 Mar 13, 2019

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