Determine if the graph represents a function that has an inverse function.
A. does not have an inverse
B. has an inverse
Answer: B
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Find the area or volume.Find the area under the curve y = 
bounded on the left by x = 3.
A. 
B. 
C. 1
D. 4
Solve the problem. Round results to an appropriate number of significant digits.A plane is found by radar to be flying 5.7 km above the ground. The angle of elevation from the radar to the plane is 84.0°. Ten seconds later, the plane is directly over the station. Find the speed of the plane, assuming that it is flying level.
A. 230 km/hr B. 240 km/hr C. 210 km/hr D. 220 km/hr
Evaluate the integral. 
A. - 
sin4 2x cos 2x - 
sin2 2x cos 2x - 
cos 2x + C
B. - 
sin4 2x cos 2x - 
sin2 2x cos 2x - 
cos 2x + C
C. - 
cos4 2x sin 2x - 
cos2 2x sin 2x - 
cos 2x + C
D. - 
sin4 2x cos 2x - 
sin2 2x cos 2x - 
sin 4x + 
+ C
Solve the problem.If cos A = 
and 
, where 
and 
, then find sin(A - B).
A. - 
B. - 
C. - 
D. - 