FUNCTION OR NOT
Determine whether the relation is a function.
{(1,2), (2,4), (3,6)}
Function
What is the domain in each relation {(1,2), (2,3), (3,4)}?
A. {1,2,3}
B. {2,3,4}
C. {1,2,3,4}
A. {1,2,3}
In the statement, "The amount of allowance affects the amount of money saved,"
What is the independent variable?
amount of allowance
Which equation represents a linear function?
A. y = x2 + 2
B. y = 3x + 2x -2
C. y= 3x -2
C. y= 3x -2
What is the slope?
A. Constant
B. Straight line
C. Steepness of the line
C. Steepness of the line
Which relation is a function?
A. {(1,2), (2,3), (2,4)}
B. {(3,5), (4,5), (5,5)}
C. {(1,2), (1,3),(1,4)}
D. {(6,7), (6,8), (6,9)}
B. {(3,5), (4,5), (5,5)}
Find the range of the relation:
{(1,2), (3,4), (5,6)}
{2,4,6}
What is the dependent variable?
calories burned
If f(x) = 3x, what is f(5)?
A. 8
B. 15
C. 5
B. 15
What is the slope of the line y = 6x - 20?
A. 6
B. 6x
C. 20
A. 6
Which graph represents a function?
A. Passes the Vertical Line Test
B. A circle
C. A sideways parabola
D. All of the above
A. Passes the Vertical Line Test
In the ordered pair (7,9), which number belongs to the domain?
7
It is a variable whose value depends on another variable
dependent variable
What is the F(6) = 2x + 8?
20
What is the slope of the line y = 4x + 7?
4
A person's name paired with their birthdate. Function or Not a function
Function
It is the set of all possible input values, usually the x-values.
Domain
The fare paid depends on the distance traveled.
Identify the independent and dependent variable
Independent - distance traveled
dependent - fare paid
If f(x)= 9x - 4, what is f(11)?
95
What is the slope of the line y = -9x + 9
-9