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

1 Answer
Jun 24, 2018

Answer:

As below.

Explanation:

#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]}