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 algebra 1...please help...i don't understand...

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the average rate of change of f(x) is 2 on the interval from x=3 to x=6. Which of these could describethe values of f(x)when x=3 and x=6? explain in steps 

a. f(3) = 10 and f(6)=4

b. f(3)=4 and f(6) =-10

c. f(3)=-4 and f(6)=10

d. f(3) =-10 and f(6)=-4

 Jan 7, 2017

Best Answer 

 #2
avatar+128676 
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(d) is correct

 

Every time x changes by a positive 1,  y  changes by  positive 2  = rate of change of f(x) is 2

 

So......we have the points  (3, −10)  (4, − 8) (5, −6) (6, −4)

 

 

cool cool cool

 Jan 7, 2017

2+0 Answers

 #2
avatar+128676 
+5
Best Answer

(d) is correct

 

Every time x changes by a positive 1,  y  changes by  positive 2  = rate of change of f(x) is 2

 

So......we have the points  (3, −10)  (4, − 8) (5, −6) (6, −4)

 

 

cool cool cool

CPhill Jan 7, 2017
 #3
avatar+295 
+5

Totally agree with CPhill :D

 Jan 7, 2017

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