Simplify.
A. 6x
B. 3x
C. 6
D. 3
Answer: C
Mathematics
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Find the vertex, the focus, and the directrix of the parabola.-2x2 + 12x - y - 22 = 0
A. V: (3, -4); F: 
; D: y = - 
B. V: 
; F: 
; D: x = - 
C. V: 
; F: (3, -12); D: x = -4
D. V: 
; F: (3, -6); D: x = -2
Mathematics
Match the graph of the rational function with its equation.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Write a numerical expression for the phrase and simplify it.6 less than the difference between 7 and -11
A. 11 - 7 - 6; -24 B. -11 - 7 - 6; -24 C. [7 - (-11)] - 6; 12 D. 6 - 7 - (-11); 10
Mathematics
The graphs of a company's total revenue function 
and total cost function 
are shown. From the sale of 100 items, 500 items, and 700 items, rank from smallest to largest the amount of profit received.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics