Find an expression for the general term, an.4, -12, 36, -108, . . .
A. an = 4(-3)n
B. an = 4(3)n - 1
C. an = 4(-3)n - 1
D. an = 4(-16)n - 1
Answer: C
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Solve the problem.Determine a polynomial that represents the area of the figure.
A. 12x2 + 33x + 18 B. 18x2 + 12 C. 18x2 + 33x + 12 D. 12x2 + 18
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 - i, z2 = 1 - 
i
A. 
(cos 15° + i sin 15°)
B. 
(cos 75° + i sin 75°)
C. 
(cos 75° + i sin 75°)
D. 
(cos 15° + i sin 15°)
Graph the system of inequalities. Indicate the solution by shading.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 
Find the tax. Use $3700 for each personal exemption; a standard deduction of $5800 for single people, $11,600 for married people filing jointly, $5800 for married people filing separately, and $8500 for head of a household; and the tax rate schedule. 
Glenn and Natalie Dowling had combined wages and salaries of $69,992, other income of $5234, dividend income of $322, and interest income of $667. They have adjustments to income of $2411. Their itemized deductions are $8441 in mortgage interest, $1617 in state income tax, $852 in real estate taxes, and $1181 in charitable contributions. The Dowlings filed a joint return and claimed six exemptions.
A. $5076.95 B. $5150.60 C. $7328.25 D. $6890.60