Find the largest open interval where the function is changing as requested.Increasing y = 7x - 5
A. (-5, ?)
B. (-?, ?)
C. (-5, 7)
D. (-?, 7)
Answer: B
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Use the factor theorem to determine if x - c is a factor of f(x). If so, use synthetic division to write f(x) in the form 
f(x) = x3 - x2 + 6; x + 2
A. (x + 2)(x2 + x + 2) B. (x + 2)(3x2 - 4x + 2) C. (x + 2) is not a factor D. (x + 2)(x2 - 3x - 6)
Find a general term an for the geometric sequence.a1 = 2, r = 
A. an = 2 ? 
n-1
B. an = 2 - 
(n - 1)
C. an = 2n-1 - 
D. an = 2 + 
(n - 1)
Predict the end behavior of the graph of the function.f(x) = 3.63x4 + 6x2 + x - 2
A. Up on both sides B. Down on left side, up on right side C. Down on both sides D. Up on left side, down on right side
Find the present value of the ordinary annuity.Payments of $4000 made annually for 10 years at 6% compounded annually
A. $31,750.80 B. $25,910.00 C. $29,440.35 D. $30,608.80