Using the Subsets to Define Domain and Range
Answers to Self Test
- If n represents the number, then 7 £ n
and n Î natural numbers.
- If n represents the number, then 7 £ n
and n Î real numbers..
- The minimum she can earn is 7 x $13.50 or $94.50. The restrictions
on E
are thus: $94.50 £ E
- Because of her home commitments, Heather will work a maximum of 5
hours per day and 4 days per week. If it takes her 30 minutes to cut
one complete couch bundle:
(a) To cut the minimum 7 bundles she must work 3.5 hours (7 x 30
min.).
The maximum she will work is 20 hours
(5 hr per day X 4 days per week)
Therefore: 3.5 £
T £ 20
(a) Minimum number of bundles is 7
Maximum number of bundles is 40 (20
hours/0.5 hr per bundle)
Therefore: 7 £
n £ 40
(b) Minimum amount of money is $94.50
Maximum amount of money is $540
Therefore: $94.50 £
E £ $540
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