Simplify.
A. 288
B. 24
C. 25
D. Not a real number
Answer: B
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Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = -4x2
A. vertex (0,0)
axis of symmetry: x = 0
B. vertex (0,0)
axis of symmetry: x = 0
C. vertex (0,0)
axis of symmetry: x = 0
D. vertex (0,-4)
axis of symmetry: x = 0
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = -8 B. x = 6, x = -4 C. x = -6, x = 4 D. x = -6, x = 4, y = 0
Determine whether y is a function of x.
?
?
A. no B. yes
The price of item is given for 2000 and 2007. Find the percent change for the item. ? ? Item 2000 2007 Monthly bill for cellular phone service $43.27 $49.79?
A. 17.1% decrease B. 15.1% decrease C. 16.1% increase D. 15.1% increase E. 14.1% increase