Question

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. Which of the following are correctly represented in the graph? Select all that apply.

Answer 1

Options a,b,c are right.

Explanation:

Amplitude of the graph = 3 but shown correctly

Hence option a is right

There is a vertical shift of 1/2 down. Shown correctly

Option b is right

Horizontal shift is 1 unit to the left. Shown correctly

OPtion c is right

Period is 8 pi not shown correctly

OPtion d is wrong.

Horizontal expansion is not shown at all for x/4

Hence option e is wrong.