Solve the initial value problem.x' = Ax, x(0) = 
, where A = 
A. x(t) = 
e-2t
B. x(t) = 
e2t
C. x(t) = 
e-2t
D. x(t) = 
e2t
Answer: C
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Use this graph to answer each question. Big "D" Sales 1989-1990 
MonthWhat was the percent of increase in sales between month 2 and month 12 of 1990? Round your answer to the nearest tenth.
A. 25.0% B. 28.6% C. 14.3% D. 22.2%
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.x + y = 4 (0, ), ( , 0), (4, )
A. (0, -4), (-4, 0), (4, -8)
B. (0, -4), (4, 0), (4, 0)
C. (0, 4), (4, 0), (4, 0)
D. (0, 4), (-4, 0), (4, 8)
Give the coordinates of the circle's center and its radius.
?
?
A. (1, 1); r = 64 B. (0, 0); r = 8 C. (1, 1); r = 8 D. (0, 0); r = 64 E. none of these
Convert to radian measure. Leave your answer in terms of ?.-135.8°
A. 
?
B. 
?
C. 
?
D. 
?