Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 2i and -4i
A. f(x) = x4 + 20x2 + 64
B. f(x) = x4 + 20x2 -4x + 64
C. f(x) = x4 - 2x3 + 20x2 + 64
D. f(x) = x4 - 4x2 + 64
Answer: A
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Determine whether the given value is a solution to the given equation.
= 7.21; x = 576.8
A. Yes B. No
Solve the problem.Devon purchased tickets to an air show for 4 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $18; child's ticket: $15 B. adult's ticket: $16; child's ticket: $13 C. adult's ticket: $19; child's ticket: $16 D. adult's ticket: $17; child's ticket: $14
Estimate the answer by rounding as indicated.Estimate by first rounding to the nearest ten.717 ÷ 42
A. 21 B. 30 C. 19 D. 18