How do you graph #y=4cosx+4#?

Question

3065 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-24T09:22:21

As below.

#y = 4 cos x + 4#

Standard form of cosine function is #y = A cos (Bx - C) + D#

#A = 4, B = 1, C = 0, D = 4#

#"Amplitude " = |A| = 4#

#"Period ' = (2pi) / |B| = 2pi#

#"Phase Shift = -C / B = 0#

#"Vertical Shift " = D = 4#

graph{4 cos x + 4 [-10, 10, -5, 5]}