Functions
How to tell if a relation is a function (graphically)
What is the vertical line test
the domain of a quadratic function
What is all real numbers?
f(3) for f(x)=9-2x
What is 3?
from y = x^2 to y=x^2+3
What is up 3 units?
What does Mr. Shockley coach?
Volleyball
How to tell if a relation is a function (algebraically)
x-values can't be matched to more that one y-value
The range of a parabola that points up with vertex (2,-3)
What is y is greater than or equal to -3
f(a-2) for f(x) = 3x+5
What is 3a-1?
from y = |x| to y=|x+2|
What is left 2 units?
the inverse of f(x)=2x+1
What is y = (x-1)/2
A scatterplot has a line of best fit with the equation y = 15x + 50, where x is the hours studied and y is the predicted test grade.
How long would we predict a person studied for if they earned an 81?
About 2 hours
The range of sin x
What is -1 to 1?
f o g (x) for f(x)=x^2-2x and g(x)=x+1
What is x^2-1?
from y=3x^2 to y=3(x-2)^2+1
What is right 2 and up 1?
What does it mean if a function passes the horizontal line test?
The inverse is a function
The equation y=15x+50 represents the # of hours studied (x) vs test grade earned (y). Interpret the slope in context.
the domain and range of y=|x+2|
What is all real numbers and y is greater than or equal to 0
f+g(3a-1) for f(x)=2x-5 and g(x)=2x
What is 12a-9?
From y=SQRT(x) to y = 3SQRT(x-5)
What is Stretch by a factor of 3 and right 5
What is Mr. Shockley's favorite color?
Hint: You would know if you missed one of his AP Stats classes
Purple
A pizzeria sells a rectangular 18in by 24in pizza for the same price as its round pizza which is 24in in diameter. If they are the same thickness, which is the better buy?
Circular (452in vs 432in)
the domain of y = SQRT (2x+3)
What is x is greater than or equal to -3/2?
find f o g (3) for f(x)=3x/(x-1) and g(x)=x-2
What is "undefined"
from y = |x-3| to y =0.5|x|
What is compressed by a factor of 0.5 and left 3 units?
The domain of y = 3x/(x^2-9) in interval notation
What is (-infinity,-3)U(-3,3)U(3,infinity)