Domain
Range
Linear Regression
Arithmetic Sequences
Functions
100
What is domain?
The domain is the set of all possible x-values
100
What is range?
The set of corresponding y values
100
What is the linear regression formula?
y1 ~ mx1 +b
100
Given 8,15,22,... Write the explicit formula.
What is an=7n+1
100
Am I a Function?
What is No, not a function? It does not pass the vertical line test.
200
What is the DOMAIN of this graph?
-4 ≤ x ≤ 3
200
What is the range of the graph?
-3 ≤ y < 1
200
Given the following values,
m = -0.569
b = 17.3
predict the value of y when x = 12
y = 10.472
200
find a12, for -17,-13,-9,...
27
200
Am I a Function?
Yes
300
{1, 2, 3, 5}
300
What is the range of the function?
-8≤y≤2
300
Using a calculator, find the regression line of this data:
X: 0, 1, 1, 2, 5
Y: 3, 3, 4, 5, 6
Round to nearest hundredth
y=.622x + 3.081
300
Is the following a recursive formula?
a1=3, an=3+5(n-1)
What is NO?
300
Is this a function and why?
What is no, because x's repeat at 8?
400
What is the Domain of this linear function?
-3 < x ≤ 5
400
What is the range of the function?
0≤h≤36
400
What is the linear correlation coefficient of this data?
X: 43, 21, 25, 42, 57, 59
Y: 99, 65, 79, 75, 87, 70
r= .291 & weak positive
400
Given the arithmetic sequence 5, 12, 19, 26, ..., using the recursive formula what is the value of the fifth term a5?
33
400
Let f(x) = x2 + x + 1; find f(-5).
What is 31?
500
What is the DOMAIN of this graph?
x > -3
500
What is the range of the relation shown on this grid?
{-2, 1, 3}
500
R is between what two values?
-1 and 1
500
An arithmetic sequence begins with 7, 13, 19, ... Using the explicit formula, the term an equals 127. By working backwards or solving the equation, this is the position number (n) of that term in the sequence.
What is 21?
500
Based on the graph of the function, what is f(4)?
f(4) = -2