Add or subtract. Assume all variables represent positive real numbers.
- 
A. 2
- 3
B. 3
- 2
C. 5
D. 2 - 3
Answer: A
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Perform the following division.
A. 26 R10 B. 14 R15 C. 27 R10 D. 26 R15
Find the composition. If f(x) = 
and g(x) = 7x + 8, find g[f(x)].
A. x
B. 7x + 48
C. x - 
D. x + 16
Some furniture will be divided among three people. The bids for each of the items are given in the table. Find a fair division of the items and determine the values of additional payments.
a. Lina pays $70 into a joint account; Victor pays $10 into a joint account; Barbara gets $80 from a joint account.
b. Lina gets $70 from a joint account; Victor gets $10 from a joint account; Barbara pays $80 into a joint account.
c. Lina pays $80 into a joint account; Victor pays $10 into a joint account; Barbara gets $70 from a joint account.
d. All values of additional payments are incorrect.
Subtract.16x7 + x4y3 - 9x2y5 + 4xy6 + 8y7 from -8x7 - x4y3 + x3y4 + 9y7
A. -24x7 + x3y4 + 9x2y5 - 4xy6 - y7 B. -24x7 - 2x4y3 + x3y4 + 9x2y5 - 4xy6 + y7 C. -24x7 + x3y4 - 9x2y5 + 4xy6 + 17y7 D. -24x7 + 2x4y3 + x3y4 - 9x2y5 + 4xy6 - y7