Determine whether f is an arithmetic sequence. If so, identify the common difference.
A. Yes; -2
B. No
Answer: B
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Add.26.33 + 114.4 + 8.4 + 0.0173 + 0.798
A. 149.9107 B. 149.9453 C. 133.1453 D. 133.1107
Use a graphing calculator to plot the data and find the quadratic function of best fit.A rock is dropped from a tall building and its distance (in feet) below the point of release is recorded as accurately as possible at various times after the moment of release. The results are shown in the table. Find the regression equation of the best model. 
A. y = - 148.4 + 112x B. y = 15.95x2 C. y = -74.9 + 290 lnx D. y = 13.0 e0.686x
Indicate whether the statement is true or false.
is an integer
A. True B. False
Factor completely. If the polynomial cannot be factored, write "prime."4x2 - 5x + 9
A. (4x - 1)(x - 9) B. (4x - 9)(x - 1) C. prime D. (2x - 9)(2x - 1)