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This graph models a function. Use the graph to answer all parts of this question.

Part A: Ray thinks this function is increasing and nonlinear. Greg thinks this function is decreasing and nonlinear.
Who is correct? Explain your answer.

Part B: Describe qualitatively a functional relationship that could be represented by the graph. Explain your answer.

This graph models a function Use the graph to answer all parts of this question Part A Ray thinks this function is increasing and nonlinear Greg thinks this fun class=

Respuesta :

Part A.

Both of them are partly correct. It is an absolute function, so for negative x's, y's are decreasing. For positive x's, y 's are increasing

They are nonlinear too

f(x)=|x|

because every y is positive even when the x values drop to negative. Therefore, and absolute function has to be used.

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