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Function f(x) is shown in the table.

What is the average rate of change over the interval 1≤x≤4 ?

A) −3

B) −13

C) 13

D) 3

 

x      f(x)

0       1

1      4

2      7

3     10

4      13

5    16

 Jan 8, 2019

Best Answer 

 #1
avatar+15350 
+2

When x = 1     value is 4

when x = 4      value is 13

 

rate of change    (v1-v2) / (x1 - x4 )    = (4-13) / (1-4) = -9/-3 = 3 per unit of x    (Answer D)

 Jan 8, 2019
 #1
avatar+15350 
+2
Best Answer

When x = 1     value is 4

when x = 4      value is 13

 

rate of change    (v1-v2) / (x1 - x4 )    = (4-13) / (1-4) = -9/-3 = 3 per unit of x    (Answer D)

ElectricPavlov Jan 8, 2019

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