Vocab
Domain is the ___ spread and range is the ___ spread of a function
horizontal, vertical
A group of functions that all have similar trend or shape is called...
Function Family
A point that all functions in a family have in common is called...
essential point
How do we read a function?
from left to right
What 3 math classes does Ms. Shapiro teach this year?
alg 2, pre-calc, AP calc
To fully analyze and describe a function is called...
function investigation
This function has a turning point
Cubic
This function family's essential point(s) are the intercepts
linear
What are the 3 possible behaviors of a function on any interval?
increasing, decreasing, constant
How many problems are on this midterm?
4
A point where a function touches or crosses an axis is called...
intercept
This function family has a domain that is NOT (-inf, inf)
Square root
If a cubic function's turning point is at (3,0), then that is also a...
x-intercept
If a function has arrows at both ends, what is the domain?
(-inf, inf)
Ms. Shapiro coaches which two sports?
Cross country and softball
Using (,) or [,] to describe domain/range is called...
interval notation
These two functions ALWAYS cross both axes
linear and cubic
These 4 functions only increase OR decrease on their entire domain.
cubic, linear, square root, exponential
T/F we ALWAYS use parentheses for increasing and decreasing intervals.
T/F we ALWAYS use x-axis intervals to describe when a function increasing or decreasing
T
T
What did Ms. Shapiro write a 50 page research paper on in Grad School?
benefits of having students do test corrections
A diagram that helps you to visualize connections between different words and concepts is called...
concept map
The vertex of a quadratic function helps us determine this other feature about the function.
the range
A square root function has its endpoint at (-4,-2). If it is decreasing on the interval (-4, inf), what is the range?
(-inf, -2]
An absolute value function starts off decreasing until it's vertex at (1,-1). How would we write that decreasing interval with interval notation?
(-inf, 1)
What year and month was Ms. Shapiro born?
Sept 1994