Find the vertex and axis of symmetry of the graph of the function.f(x) = -4x2 + 8x
A. (-1, 0); x = -1
B. (1, 4); x = 1
C. (1, 0); x = 1
D. (-1, 4); x = -1
Answer: B
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Multiply and simplify. Assume variables do not cause any denominators to equal 0.
? - 
A. 
B. - 
C. - 
D. - 6
Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 32(cos 320° + i sin 320°)
A. 2(cos 64° + i sin 64°), 2(cos 136° + i sin 136°), 2(cos 208° + i sin 208°), 2(cos 280° + i sin 280°), 
B. 2(cos 320° + i sin 320°), 2(cos 410° + i sin 410°), 2(cos 500° + i sin 500°), 2(cos 590° + i sin 590°), 
C. 2(cos 64° + i sin 64°), 2(cos 154° + i sin 154°), 2(cos 244° + i sin 244°), 2(cos 334° + i sin 334°), 
D. 2(cos 320° + i sin 320°), 2(cos 392° + i sin 392°), 2(cos 464° + i sin 464°), 2(cos 536° + i sin 536°), 
Find the future value of the annuity.To save for retirement, you decide to deposit $2500 into an IRA at the end of each year for the next 35 years. If the interest rate is 1% per year compounded annually, find the value of the IRA, rounded to the nearest dollar, after 35 years.
A. $104,151 B. $100,644 C. $1042 D. $228,023
Find the domain of the rational function.h(x) = 
A. all real numbers B. {x|x ? 0, x ? -64} C. {x|x ? -8, x ? 8, x ? -3} D. {x|x ? -8, x ? 8}