Warm-up!
Periodic Graphs Day 4
Sinusoidal Graphs/Functions in Context
Homework: Sinusoidal Functions in Context
Quiz Next Class:
Period, Amplitude, Frequency
Transformations
Sin and cos graphs
Let 𝑓𝑥=3cos𝜋4𝑥+2. Find coordinates of the five labelled points on the following graph of 𝑓𝑥
Is this function even, odd, or neither?
State an interval over which 𝑓𝑥 is negative and increasing.
State an interval over which 𝑓𝑥 is decreasing at an increasing rate.
State an interval over which the rate of change of 𝑓𝑥 is positive and increasing.
State an interval over which 𝑓𝑥 is increasing and concave down.