What is the equation of the function that is graphed as line b?
y = 1/2x - 1
y = 2x + 1
y = 1/2x + 1
y = -4x

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step-by-step explanation:

answer

see attachment

explanation

the given function is

this function has y-intercept at

-4 and a slope of 2.

note that, the graph has a positive slope.

the graph that represents this function is the straight line that moves upward from left to right.

the graph touches the y-axis at -4.

the correct choice is the graph shown in the attachment.