Give the coordinates of the vertex and sketch the graph of the equation.y = x2 + 14x + 49 
A. (-7, 0)
B. (0, -7)
C. (7, 0)
D. (0, 7)
Answer: A
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Use a double-angle identity to find the exact value of the expression.
A. 
B. 
C. 
D. 
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.
Lilly Donaldson had wages of $31,706, other income of $2,962, dividends of $213, interest of $328, and a regular IRA contribution of $839 last year. She had deductions of $1,271 for state income tax, $1,440 for property tax, $1,460 in mortgage interest, and $713 in contributions. Donaldson claims three exemptions and files as head of household.
A. $-114,399.60 B. $1,275.50 C. $1,870.00 D. $393.00
Perform the indicated operations and simplify the result so there are no quotients to complete the identity.sec ? - 
= ?
A. -2 tan2? B. 1 + cot ? C. sec ? csc ? D. sin ? tan ?
Simplify.10 ? 17 + 14 ? 15
A. 380 B. 4650 C. 2760 D. 2270