Functions!
3 years ago
bonah
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Homework
Solo Practice
Practice
• Question 1
300 seconds
Q. Evaluate f(-2) if f(x) = x+3
-1
1
5
-5
• Question 2
300 seconds
Q. Given
f(x)= 2x2 + 5x - 17, find f(-1).
f(-1) = -20
f(-1) = -24
• Question 3
300 seconds
Q. Evaluate the function for the given value:
8
-7
6
2
• Question 4
300 seconds
Q. Evaluate the function for the given value:
-5
63
450
5
• Question 5
300 seconds
Q. What is the range of the relation shown on the mapping diagram?
R:{3, 5, 8}
R:{-7, 11}
R:{3, 5, 8, 12}
R:{all real numbers}
• Question 6
120 seconds
Q. A set of ordered pairs is called what?
Coordinates
Relation
Function
Vertical Line Test
• Question 7
180 seconds
Q. Given the points (3, 5) (2, 4) (9, 0)  and  (?, 6). What could replace the ? to create a non-function?
1
3
4
7
• Question 8
180 seconds
Q. Which ordered pair could you add to the following list of points to create a function?  (3, 5) (4, 9) (2, 5)
(3, 7)
(4, 1)
(1, 9)
(2, 6)
• Question 9
180 seconds
Q. Does the table represent a function?
Yes, there  is a repeated x-value.
No, there aren't any repeated y-values.
Yes, there are repeated y-values.
No, there is a repeated x-value.
• Question 10
180 seconds
Q. Does the mapping represent a function?
Yes
No
Sometimes
IDK
• Question 11
120 seconds
Q.
Function
Not a Function
• Question 12
120 seconds
Q. Which graph does NOT pass the vertical line test?
Graph 1
Graph 2
Graph 3
Graph 4
• Question 13
180 seconds
Q.
Function
Not a Function
• Question 14
120 seconds
Q. What is the definition of function?
Has inputs and outputs
Every input has only ONE output
Inputs have different outputs every time
x-values and y-values
• Question 15
180 seconds
Q. Which set of values is a function?
(9,5) (10,5) (9,-5) (10,-5)
(3,4) (4,-3) (7,4) (3, 8)
(6,-5) (7, -3) (8, -1) (9, 1)
(2, -2) (5, 9) (5, -7) (1, 4)
• Question 16
300 seconds
Q. For the function f(x) = -3(x-1) find f(0).
0
-3
3
-1
• Question 17
300 seconds
Q. What is f(1)?
1
5
0
4
• Question 18
300 seconds
Q. What is x if
f(x) = -2?
4
0
3
8
• Question 19
300 seconds
Q. Given h(x) =
-x2+3x, find h(5).