A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 5, an+2 = an+1 - an
A. 1, 5, 4, 3, 2
B. 1, -1, 2, -3, 5
C. 1, -5, 6, -7, 8
D. 1, 5, 4, -1, -5
Answer: D
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Determine the slope and the y-intercept. Use the slope and the y-intercept to graph the equation.y = 
x
A. slope: - 
; y-intercept: (0, 0)
B. slope: 
; y-intercept: (0, 0)
C. slope: 
; y-intercept: (0, 0)
D. slope: - 
; y-intercept: (0, 0)
Solve.An elliptical trainer is an exercise machine in which your foot moves in an elliptical path. On a typical machine, the length of the stride is about 22 inches and the height is varies from 2 to 6 inches depending on the settings. Write the equation for the path your foot takes if the total length of the stride is 22 inches and the total height is 4 inches.22 inches4 inches 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.The number of edges in K12 is
A. 12!. B. 66. C. 132. D. 12. E. none of these
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.(-1)2/3
A. -1
B. 0
C. 1
D. - 