Evaluate the expression for x = -2, y = 3, and a = -4.-4a - 7y - 3x
A. 11
B. 27
C. 1
D. 21
Answer: C
Mathematics
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Use a grapher to graph the function.The weekly profit p in thousands of dollars, for a seasonal business is given by 
, where x is the number of the week of the year. Sketch p as a function of x for one year.
A. 
B. 
C. 
D. 
Mathematics
Factor.9x4 + 27x2 + 20
A. (3x2 + 5)(3x2 + 4) B. (3x2 + 20)(3x2 + 1) C. (3x2 - 5)(3x2 - 4) D. (9x2 + 5)(x2 + 4)
Mathematics
Find the inverse of the function.f(x) = 
- 8
A. f-1(x) = 3x - 24 B. f-1(x) = 3x + 24 C. f-1(x) = 3x + 8 D. f-1(x) = x + 11
Mathematics
Find the missing coordinate to complete the ordered pair.y = -x
(8, )
A. (8, 0) B. (8, -8) C. (-8, 8) D. (8, 8)
Mathematics