Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 5; zeros: 9, 2 + 5i, -9i
A. -2 + 5i, 9i
B. -2 - 5i, 9i
C. -9, 2 - 5i, 9i
D. 2 - 5i, 9i
Answer: D
Mathematics
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Solve the problem.Suppose that 
= 5. Find 
and 
.
A. 5; -5 B. 2; 5 C. 0; 5 D. 0; -5
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 9 a.m. to 10 a.m. B. 12 p.m. to 1 p.m. C. 10 a.m. to 11 a.m. D. 1 p.m. to 2 p.m.
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Assume that x and y are differentiable functions of t. A point is moving along the graph of the equation 
At what rate is y changing when 
and is changing at a rate of 4 units/sec?
? A. 96 units/sec B. 92 units/sec C. 87 units/sec D. 60 units/sec E. 44 units/sec
Mathematics