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Which statement best explains whether the table represents a linear or nonlinear function?

Input (x) Output (y)
0 1
1 2
2 4
3 16

A- It is a linear function because there is a constant rate of change in both the input and output values.
B- It is a nonlinear function because there is a constant rate of change is both the input and output values.
C- It is a linear function because the output values are increasing at different rates.
D- It is a nonlinear function because the output values are increasing at different rates.

User Donki
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2 Answers

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D. It is non-linear because the output values are increasing at different rates
User Jrushing
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3 votes

Answer: D- It is a nonlinear function because the output values are increasing at different rates.


Explanation:

We know that in a linear function , there is always constant rate of change whereas if there is different rates of change of the variables then it is non- linear function.

We know that the rate of change of function =
(y_2-y_1)/(x_2-x_1)

From x=0 to x=1, the rate of change of function=
(2-1)/(1-0)=1

From x=1 to x=2, the rate of change of function=
(4-2)/(2-1)=2

From x=2 to x=3, the rate of change of function=
(16-4)/(3-2)=12

We can see there is increase in function but at different rates.

Therefore, D is the right option. It is a nonlinear function because the output values are increasing at different rates.



User Bharat Chodvadiya
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