Question

Am I right?
What cosine function represents an amplitude of 3, a period of π, no horizontal shift, and a vertical shift of 2?

f(x) = 2 cos 2x + 3
f(x) = 3 cos πx + 2
f(x) = 2 cos πx + 3
f(x) = 3 cos 2x + 2<----

Answer 1

@TheSmartOne @nincompoop @LeilaJudeh @leonardo0430

Answer 2

so yes