Find the vertex for the parabola whose equation is given.y = -4x2 + 8x + 4
A. (2, -4)
B. (-2, -28)
C. (-1, -8)
D. (1, 8)
Answer: D
Mathematics
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Simplify the complex fraction.
A. - 
B. 
C. 
D. 
Mathematics
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: (0, 0) , y-intercept: (0, 0) ;
B. x-intercept: (0, 0) , y-intercept: (0, 0) ;
C. x-intercept: (0, 0) , y-intercept: (0, 0) ;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;
Mathematics
Find the domain of the rational function.R(x) = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the algebraic expression.5.2x - 1.9 - 3.9x + 4 + 2.7x
A. 4x - 2.1 B. 11.8x + 2.1 C. 4x + 5.9 D. 4x + 2.1
Mathematics