Consider the difference equation yn = -2yn-1 + 18, y0 = 5. Compute y7.
A. 640
B. -140
C. 134
D. -122
E. none of these
Answer: C
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The following table shows the miles M from home after h hours of driving. Find a linear model for miles from home as a function of hours driven. Round the slope to three decimal places, if necessary. h 1 2.58 4.16 5.74 M 668 582.38 496.76 411.14?
A. 
B. ?
C. ?
D. ?
Solve the problem.The table contains data that can be modeled by an exponential function of the form 
Use regression to determine an exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (567.57)(0.17)x B. f(x) = (1.09)(527.34)x C. f(x) = (0.17)(567.57)x D. f(x) = (527.34)(1.09)x
Use DeMoivre's Theorem to find the following. Write your answer in standard form.
?
?
?
A. ?-8 - 8?i?
B. ?18i111111
C. ?-?16 - 16i
D. ?116
+ 16i?1
E. ?81111?1
Rewrite the expression using the Distributive Property and simplify the result.-7(9m - 4)
A. 9m + 28 B. -63m - 4 C. -63m + 28 D. -63m - 28