Two planes leave an airport at the same time. One travels due west (bearing 270°) with a cruising speed of 420 mph. The other travels at bearing 235° with a cruising speed of 440 mph. Approximate the distance between the planes after 3 hours of flight.
What will be an ideal response?
Ans: 777.9 miles
Mathematics
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Evaluate the integral.
A. 
tan2(ex) + ln(cos(ex)) + C
B. tan2(ex) + 
ln(cos(ex)) + C
C. 
tan2(ex) - ln(cos(ex)) + C
D. tan2(ex) - 
ln(cos(ex)) + C
Mathematics
Determine the domain and range of the function. Then graph it.f(x) = 2
A. domain = [1, ?), range = [0, ?)
B. domain = [0, ?), range = [-1, ?)
C. domain = (-?, ?), range = (-?, ?)
D. domain = (-?, ?), range = [1, -1]
Mathematics
Solve the problem.If g(x) = 12x2 - 12 and h(x) = 7x, then solve g(x) > h(x).
A. 
B. 
or 
C. 
D. 
or 
Mathematics
Indicate the solution set for the system of inequalities
by graphing the system and shading the appropriate region.
A. 
B. 
C. 
D. 
E. None of these
Mathematics