Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(7 + 
) (4 + 
)
A. 108 i
B. 12 + 64i
C. 108
D. 284 + 464i
Answer: B
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If 
evaluate the difference quotient 
What will be an ideal response?
Use the accompanying graph of a particle moving on a coordinate line with velocity v = f(t) in ft/sec at time t seconds. The axes are marked off at one-unit intervals. Use these terms to describe the motion state: moving forward/backward, increasing/decreasing speed, and resting. Recall that speed = 
. 
Give the interval(s) when the speed of the particle is increasing.
A. (0, 2), (5, 6), and (11, 13) B. (0, 2), (5, 6), (11, 13), and (21, 23) C. (0, 2), (5, 6), and (21, 23) D. (0, 6), (11, 15), and (19, 23)
Rewrite the following number using digits.Thirty-two thousand, nine hundred five
A. 32,905 B. 320,905 C. 3295 D. 32,950
List the elements of the set.The first four natural numbers
A. {1, 2, 3, 4} B. {0, 1, 2, 3, 4} C. {0, 2, 4, 6} D. {0, 1, 2, 3}