Lesson 1.1 1. Determine which relations are functions. For the which are, explain why. a) {(1, 2), (2, 3), (2, 4), (4, 5)} b) -2 3 3

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Lesson 1.1
1. Determine which relations are functions. For those
which are, explain why.
a) {(1, 2), (2, 3), (2, 4), (4, 5)}
b)
-2
3
7
c)
4
2-
-4
d)
5-
-5
e) y = - (x – 3)² + 5
f) y= Vx – 4
2. Use numeric and graphical representations to show
that x? + y = 4 is a function but x? + y² = 4 is
not a function.
-5.
4.
2.
2.
Transcribed Image Text:Lesson 1.1 1. Determine which relations are functions. For those which are, explain why. a) {(1, 2), (2, 3), (2, 4), (4, 5)} b) -2 3 7 c) 4 2- -4 d) 5- -5 e) y = - (x – 3)² + 5 f) y= Vx – 4 2. Use numeric and graphical representations to show that x? + y = 4 is a function but x? + y² = 4 is not a function. -5. 4. 2. 2.
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