The Math Placement Test With Answers - Grade 11 - Sait Page 30
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13) a) & b) Table of values, domain & range
2
2
x
y = f (x) = x
- 3
y = |f (x)| = |x
- 3|
-3
6
6
-2
1
1
-1
-2
2
0
-3
3
1
-2
2
2
1
1
3
6
6
0
3
undefined
−
3
0
Undefined
Domain
Set of real numbers for x
Set of real numbers for x
Set of real numbers for y; y ≥ 4/5 (approx.);
Set of real numbers for y; y ≥ -3
Range
difficult to specify here (look at graph)
2
2
Graph of y = f (x) = x
- 3
Graph of y = |f (x)| = |x
- 3|
8
7
6
6
5
4
4
2
3
2
0
-4
-2
0
2
4
1
-2
0
-4
-4
-2
0
2
4
14) Domain: set of real numbers for x
Range: set of real numbers for f (x); f (x) ≥ -1
Math Placement Test Study Guide | Grade 11 Answer Key
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