Resting Heart (Easy)
What is the amplitude of the graph y=sinx
1
What is the general formula for a sine function?
y = asin(bx+c)+d
Which function starts at a maximum when X=0
Cosine
Which graph starts at a maximum: sine or cosine?
cosine
What does the value A control in y=Asin(Bx+C)+D
The amplitude
Which value affects the period but does not affect amplitude?
B
What do we call one full repeating wave?
Period/a full cycle
What is the domain of all sine and cosine functions?
All real numbers
How does the formula show a vertical reflection?
when A is negative
Which part of the graph shows the heart returning to calm after each beat?
The downward curve
What is the formula for phase shift?
-c/b
Which letter(s) affect only horizontal changes?
C and B
How does cosine differ from sine when graphing?
Cosine starts at a maximum value
Sine starts at the midline
If the maximum value of a graph increases but the midline stays the same, what changed?
A
Two sine graphs have the same period but different phase shifts. Which value must be different?
C