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Unformatted text preview: s function:
domain =
range = vertex Notice the difference between successive yvalue from the table; how can this pattern be used to draw
the graph of parabola quickly? Graphing Calculator: Press Y =
input Y1 = X2
Press Graph or Y1 = X^2 PRECALCULUS 11 Unit 1 – Day 2: Functions Review and Quadratic Functions Exercises For each relation, a) write the domain and range
b) draw the relation as an arrow diagram
1. { (3,6) , (4,5) , (7,2) , (9,0) }
2. { (−3,3) , (0,0) , (3,3) } For each arrow diagram, a) write the relation as a set of ordered pairs
b) write the domain and range
x
y
x
3.
4.
5
4
7
6
4
9
8
12
11 For each graph, y
1
6
8
10 y
2 5. −2 a) express the relation as a set of ordered pairs
b) write the domain and range
y
6.
2 0 2 x −2 −2 0 2 x −2 Graph each relation. The domain is R.
7. y = x + 5
10. 3x − 2y = 6 9. y = − 1 x
3
12. x = −2 8. y = 3x − 4
11. y = 3 State whether each set of ordered pairs represents a function.
13. { (2,5) , (4,3) , (6,1) , (8,−1) , (9,−2) }
14...
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This document was uploaded on 02/16/2014 for the course MATH PreCalcul at Holy Cross Regional High School.
 Fall '11
 Aytona
 Calculus, PreCalculus, Polynomials

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