Find the equation that the given graph represents.
A. f(x) = (x + 6)4
B. f(x) = -x3 - 6x2 - x + 6
C. f(x) = -x4 + 3x2 + 6
D. f(x) = x4 - 3x2 + 6
Answer: D
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Find the sum of the series.x7 + x8+ x9 + x10 + ...
A. 
B. 
C. 
D. 
Find the extreme values of the function subject to the given constraint.
A. Maximum: 400 at 
minimum: -400 at 
B. Maximum: 400 at 
and 
minimum: -400 at 
and 
C. Maximum: 400 at 
and 
minimum: -400 at 
and 
D. Maximum: 400 at 
minimum: 0 at 
Give a verbal description of the subset of real numbers represented by the following inequality, and sketch the subset on the real number line. ? ?-3 ? x < 0 ?
A. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than or equal to 0.
B. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
C. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
D. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
E. ?-3 ? x < 0 denotes the set of all real numbers less than or equal to -3 and greater than 0.
Factor.x2 + 4xy - 117y2
A. (x + 13y)(x - 9y) B. (x - 13y)(x + y) C. (x - 13y)(x + 9y) D. (x - y)(x + 9y)