Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 4j,
w = -3i + j
A.
v1 = -  i +  j, v2 =  i +  j |
B. v1 = -
i + 
j, v2 = 
i + 
jC. v1 = -
i + 
j, v2 = - 
i + 
jD. v1 = -
i + 
j, v2 = 
i + 
jAnswer: A
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Graph the set of points whose polar coordinates satisfy the given equation or inequality.0 ? ? ? 
, 0 ? r ? 4
A. 
B. 
C. 
D. 
Solve the problem.The chart represents the amount of fuel consumed by a machine used in manufacturing. The machine is turned on at the beginning of the day, takes a certain amount of time to reach its full power (the point at which it uses the most fuel per hour), runs for a certain number of hours, and is shut off at the end of the work day. The fuel usage per hour of the machine is represented by a periodic function. When does the machine first reach its full power?
A. After 2 hours B. After 14 hours C. After 4 hours D. After 7 hours
Solve.4x - 10 ? 26
A. x ? -9 B. x ? 9 C. x ? -9 D. x ? 9
Solve.Tickets to a ballet cost $14 if bought in advance. If bought on the date of the ballet, they cost $23. For the ballet to make a profit, the total money collected from ticket sales must be at least $370. Write an inequality to represent this situation, using x for the number of tickets bought in advance and y for the number of tickets bought on the date of the ballet. Graph the inequality on the coordinate plane.
A. 14x - 23y ? 370
B. 14x + 23y ? 370
C. 14x + 23y ? 370
D. 14x - 23y ? 370