Provide an appropriate response.A student was trying to solve the problem 
. The student knew that he or she should set 
but was confused about whether or not he or she should set 
, or 7 = 0 and 
. How would you advise this student?
What will be an ideal response?
Setting 7x = 0 is not a problem because x = 
= 0.
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Solve the problem.A cabin cruiser travels 20 miles in the same time that a power boat travels 40 miles. The cruiser travels 5 mph slower than the power boat. Find the speed of each boat.
A. Power boat: 10 mph; cabin cruiser: 5 mph B. Power boat: 20 mph; cabin cruiser: 15 mph C. Power boat: 15 mph; cabin cruiser: 10 mph D. Cannot be determined without more information
A surveyor lays out a traverse with three vertices as shown. How can deductive reasoning be used to determine whether the traverse “closes”?
Solve. If necessary, round to the nearest tenth.A flagpole casts a shadow of 20 feet. Nearby, a 5-foot tree casts a shadow of 3 feet. What is the height of the flagpole?
A. 0.8 ft B. 300 ft C. 33.3 ft D. 12 ft
Give the equations of any asymptotes of the type specified for the graph of the rational function.f(x) = 
; horizontal
A. y = 
B. y = 
C. y = 0
D. None