Solve the problem.A twin-engined aircraft can fly 816 miles from city A to city B in 3 hours with the wind and make the return trip in 8 hours against the wind. What is the speed of the wind?
A. 68 mph
B. 119 mph
C. 85 mph
D. 102 mph
Answer: C
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.2 + i, 4
A. f(x) = x3 - 8x2 + 21x - 20 B. f(x) = x3 - 4x2 - (3 - 4i) x + 12 + 16i C. f(x) = x3 + 9x2 + 20x + 20 D. f(x) = x3 + 8x2 + 21x + 20
Identify the equation without completing the square.4x2 - 4x + y - 1 = 0
A. parabola B. hyperbola C. ellipse D. not a conic
Solve the problem.Suppose that the sample space is S = 
and that outcomes are equally likely. Compute the probability of the event E = 
.
A. 
B. 
C. 
D. 2
In the following table, Y1 is defined by a rational expression of the form 
. Use the table to find the values of p and q.
A. p = -2; q = -1 B. p = 1; q = -2 C. p = -1; q = -2 D. p = -2; q = 1