Option (B) amplitude is 2, midline is y = 1 is the correct answer.
What is graph of a function?
A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner. The graph of a function f is the set of all points in the plane of the form (x, f(x)).
For the given situation,
The points are (0, 1), (π/2, -1), (π,1), (3π/2, 3), (2π, 1)
The graph below shows the trig sine function of the points.
Midline is the horizontal line that passes exactly in the middle between the graph's maximum and minimum points.
Amplitude is the vertical distance between the midline and one of the extreme points.
Thus from the graph, the midline is at y = 1 and the amplitude is 2.
Hence we can conclude that option (B) amplitude is 2, midline is y = 1 is the correct answer.
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