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Mathematics 15 Online
OpenStudy (anonymous):

Which point lies on the graph of the following piecewise function? y = 2x if x < 2 y = x2 if x greater than or equal to 2

OpenStudy (anonymous):

@mathstudent55

OpenStudy (mathstudent55):

Choices?

OpenStudy (anonymous):

(–1, 1) (0, 2) (–2, 4) (1, 2)

OpenStudy (anonymous):

?

OpenStudy (anonymous):

abc work for the first one right

OpenStudy (anonymous):

a?

OpenStudy (mathstudent55):

Every x value of the given choices is less than 2. Use the first equation of the piecewise definition to test each x value. See which one works. y = 2x x = -1: y = -2 (-1, -2) not a choice x = 0; y = 2(0) = 0; (0, 0) not a choice x = -2: y = 2(-2) = -4; (-2, -4) not a choice x = 1: y = 2(1) = 2; (1, 2) Choice D is the answer.

OpenStudy (anonymous):

sorry about that, so d

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