Find the vertex for the parabola whose equation is given.y = -x2 - 4x + 3
A. (-4, 3)
B. (2, -9)
C. (2, -1)
D. (-2, 7)
Answer: D
Mathematics
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Evaluate to four decimal places using a calculator.
3
A. 7.3891 B. 403.4288 C. 0.0025 D. 20.0855
Mathematics
Find the probability.A card is drawn from a deck of 52 cards. What is the probability that it is a diamond or that it is greater than 2 and less than 9?
A. 
B. 
C. 
D. 
Mathematics
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mathematics
Find the difference.
A. 55 B. -55 C. 23 D. 24 E. -23
Mathematics