Simplify.
A. 
B. 
C. 
D. 
Answer: C
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Find a quadratic equation with integer coefficients that has the given solution set.{0, 2}
A. x2 + 2x = 0 B. x2 + 2x + 4 = 0 C. x2 - 2x = 0 D. x2 - 4 = 0
Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.cos 
A. -cos 
B. cos 
C. 1 - cos 
D. sin 
Find the requested characteristic.Find the period for the graph of f(x) = sec 
.
A. 
B. 7?
C. 
D. 
Solve the problem.An aircraft going from Atlanta to Savannah on a heading of N 119° E is travelling at a speed of 450 miles per hour. The wind is out of the north at a speed of 22 miles per hour. Find the actual speed and direction of the aircraft.
A. 445 miles per hour; 121° from north B. 629 miles per hour; 121° from north C. 461 miles per hour; 121° from north D. 440 miles per hour; 122° from north