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Let f(x) = 4x + 3 and g(x) = -2x + 5. Findmc016-1.jpg

 

 


23

–17

-41

–5

 Mar 20, 2015

Best Answer 

 #1
avatar+94526 
+5

Let f(x) = 4x + 3 and g(x) = -2x + 5. Findmc016-1.jpg

(f o g)(5) says we want to put 5 into g and evaluate the result......then.....we want to put this result into f and evaluate that........so

g(5) = -2(5) + 5 = -10 + 5 = -5

And

f(-5)  = 4(-5) + 3 =  -20 + 3 = -17

 

  

 Mar 20, 2015
 #1
avatar+94526 
+5
Best Answer

Let f(x) = 4x + 3 and g(x) = -2x + 5. Findmc016-1.jpg

(f o g)(5) says we want to put 5 into g and evaluate the result......then.....we want to put this result into f and evaluate that........so

g(5) = -2(5) + 5 = -10 + 5 = -5

And

f(-5)  = 4(-5) + 3 =  -20 + 3 = -17

 

  

CPhill Mar 20, 2015

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