Vocabulary: Can you have a relation that is not a function? Can you have a function that is not a relation? Explain.
Question 14
14.
Error Analysis: Your friend writes, "In a function, every vertical line must intersect the graph in exactly one point." Explain your friend's error and rewrite the statement so that it is correct.
Question 15
15.
Question 16
16.
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Problem 3 Got It? Resoning: How does a mapping diagram of a relation that is not a function differ from a mapping diagram of a function?
Problem 4 Got It? Use the vertical-line test. Which graph(s) represent functions? Select all that apply.
Problem 4 Got It? Use the vertical-line test. Which graph(s) represent functions? Select all that apply.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Vocabulary Review: Complete the sentence on the right with the correct word(s) from the left.
exactly
at least
at most
For every input of a function there is __?__ one output.
Use Your Vocabulary: Match each description on the left with the appropriate set on the right.
The output values in the relation:
{(1, 0), (-2, 3), (3, 2), (5, -4)}
The domain of the relation:
{(-2, 3), (-2, 1), (5, 4)}
{-2, 1, 3, 5}
{-4, 0, 2, 3}
{-2, 5}
{1, 3, 4}
Solve It! The last digit in a 13-digit bar code is a check digit. Steps 1-3 show how the check digit checks the first 12 digits. Is it possible for 12 digits to generate two different check digits?
Yes
No
Solve It! Can two different sets of 12 digits have the same check digit?
