How do you graph #y=cosx+3#?

1 Answer
Nov 21, 2017

Answer:

Start with the base graph and shift up three units.

Explanation:

Start with just the graph of #f(x) = cos(x)#. This should be memorized.

Desmos.com and MS Paint

A number on the end of this function is always a vertical shift. Positive numbers will be a vertical shift up and a negative number would be a vertical shift down. Shifting up three units gives the following graph.

Desmos.com and MS Paint