Find the unit vector that has the same direction as the vector v.v = -9j
A. u = - 
j
B. u = 81j
C. u = -9j
D. u = -j
Answer: D
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How is 247,000 expressed in scientific form?
a. 2.47 ð 102 b. 2.47 ð 103 c. 2.47 ð 104 d. 2.47 ð 105 e. 2.47 ð 106
Provide an appropriate response.Explain why this sequence of steps is incorrect.log364?= log3
= log3
+ log3
What will be an ideal response?
Find the distance between the pair of points on the number line.-17, -4
A. 13 B. 21 C. -13 D. -21
Solve the problem.
The function f computes the annual interest paid on savings of x dollars with an interest rate of 9%. The graph of f and the horizontal line 
are shown in the figure. Determine the savings amounts that result in (i) an annual interest less than $3.15 and (ii) an annual interest of $3.15 or more.
A. Between $5 and $35; $35 or more B. $35 or less; between $35 and $40 C. $35 or more; $35 D. Between $0 and $35; $35 or more