Determine the equation of variation.
A. y = 
B. y = 3x
C. y = 2.5x
D. y = 2x
Answer: C
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Factor out the greatest common factor. Simplify the factors, if possible.5x2(y - z) + 15x(y - z)2 + 10(y - z)3
A. 5(y - z)(x + 2)(x + 1) B. 5(x + 2y - 2z)(x + y - z)(y - z) C. (y - z)(5x + 10)(x + 1) D. 5(x + y - z)(x + 3y - 3z)
Use the table of values of f to estimate the limit.Let f(x) = x2 + 8x - 2, find 
f(x).
A. 
; limit = ?
B. 
; limit = 5.40
C. 
; limit = 18.0
D. 
; limit = 17.70
Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for
benefits? A. at least $1208 B. at least $1040 C. at most $1180 D. at most $1215
Graph the circle with radius r and center (h, k).r = 2; (h, k) = (0, 0) 
A. 
B. 
C. 
D. 