Determine whether the relation is also a function.{(2, 6), (2, -2), (6, -1), (7, -7), (10, 7)}
A. yes
B. no
Answer: B
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Find the unknown length in the space figure.Find the distance x. Give an exact answer. 
2
A. 2
B. 164
C. 4
D. 3
Find the tax in the following application problems. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, $6300 formarried taxpayers filing separately, and $9300 for head of household and the tax rate schedule.
The Greenwoods had an adjusted gross income of $57,492 last year. They had deductions of $1,095 for state income tax, $4,205 for property tax, $5,320 in mortgage interest, and $2,261 in contributions. The Greenwoods claim four exemptions and file a joint return.
A. $3,334.15 B. $5,841.65 C. $3,813.80 D. $4,902.75
Solve. Remember to insert units when writing your answer.Four years ago, John planted a tree in his garden. It was 4 ft 5 in. tall. Since then the tree has grown 7 ft 11 in. How tall is the tree now?
A. 11 ft 16 in. B. 11 ft 4 in. C. 12 ft 6 in. D. 12 ft 4 in.
Find the area.
A. 1152 in.2 B. 924 in.2 C. 1224 in.2 D. 1848 in.2