Find the unit vector having the same direction as v.v = -3i + 4j
A. u = - 
i + 
j
B. u = -15i + 20j
C. u = - 
i + 
j
D. u = - 
i + 
j
Answer: C
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Find the phase shift of the function.y = -2 sin 
A. 4 units down
B. 
units to the left
C. 
units to the right
D. 4 units up
Solve the problem.A ball is dropped from a height of 46 feet. On each bounce, it bounces to 83% of its previous height. How high does it get after the 7th bounce? (Round to the nearest hundredth, if necessary.)
A. 270.59 feet B. 15.04 feet C. 197.16 feet D. 12.48 feet
Respond to the question by using complete sentences.Let t be the number of years since 2017. What does t = 1 mean in this situation?
A. The statement t = 1 represents the year 2018. B. The statement t = -1 represents the year 2018. C. The statement t = -1 represents the year 2016. D. The statement t = 1 represents the year 2016.
Write the decimal as a percent.0.02
A. 20% B. 0.2% C. 0.0002% D. 2%