Question: The curve y = f(x) has a maximum at A(2, 20), a minimum at B(1, 7), and passes through the origin. The graph of y
The curve y = f(x) has a maximum at A(−2, 20), a minimum at B(1, −7),
and passes through the origin. The graph of y = f(x) is shown below.

On separate diagrams, sketch
a) y = f(x) + 4
b) y = 1/2f(x)
Show clearly the coordinates of the maximum and minimum points and
where the curve cuts the y-axis.
A(-2, 20) 0 | B(1,-7) X
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