Unit Circle
What is 360 in radians on the Unit Circle
2pi
How many FRQs are in the AP exam
4
What does the 1st FRQ go over?
Function Concepts as well as inverse functions
If the graph is concave up, the rate of change is____?
Increasing
What are the first 3 radians in the Unit circle?
0, pi/6, pi/4
What buttons do you use on a calculator to get to the regressions with I put in the data into the table?
STAT CALC
what does the 2nd FRQ go over?
system of equations to model the context using function types like polynomial, piecewise-defined, exponential, or logarithmic. Using AVOC and regression
Where is the point of inflection?
The point where the concavity flips
In quadrant 4, is cos and sin: positive, negative, or both?
Both
cos is positive
sin is negative
On a polar graph, when the value of b is even, What happens to the number of petals the graph has?
The number of petals doubles from the given value of b.
What does the 3rd FRQ go over?
Rate of change and Function behavior
Put into words:
lim/ x -> infinity f(x)
The output all the way to the right
What is the tan of 90 degrees?
Not defined
What is the equation for a sinusoidal graph?
Either
Asin(B(x-c)+d
or
Acos(b(x-c)+d
What does the 4th FRQ go over?
Symbolic maniuplation
What are the end behaviors:
if the degree is odd and the coefficient is positive
- infinity, infinity
What is all the degrees in order on the Unit Circle
0, 30, 45, 60, 90, 120, 135, 150, 180, 210, 225, 240, 270, 300, 315, 330, 360
2pi/ the x value the period ends
What is the equation in a sinusoidal graph:
The amplitude is 4
The period is pi
Midline is 2
The horizontal shift is 3
The graph passes through (0,0)
4sin(2(x-3)+2
What are the 2 other Rational Function End behaviors?
given: n<d =0
N=D =Coeff n/ Coeff d
n>d = none (slant asy. only if n-d=1)