Answer:
Changing value of "d" changes the vertical shift of the cosine graph.
Step-by-step explanation:
Question says to find about how does your cosine graph change when including the d-value.
General equation of cosine function can be given as:
[tex]y=a\cdot\cos\left(bx-c)\right)+d[/tex]
In that formula, value of "d" gives vertical shift.
So changing value of "d" changes the vertical shift of the cosine graph.
