Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 4x - 5
A. (2, 9); x = 2
B. (2, -9); x = 2
C. (-2, -9); x = -2
D. (-2, 9); x = -2
Answer: C
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Determine whether the events are independent.A card is selected at random from a standard deck of 52 cards. It is then replaced and a second card is selected at random. Are the events "club on the first draw" and "ace on the second draw" independent?
A. No B. Yes
Write an equation for a function that has a graph with the given characteristics.The shape of y = x3 is shifted 8.2 units to the right and then vertically shrunk by a factor of 0.3.
A. f(x) = 0.3(x + 8.2)3 B. f(x) = 0.3(x - 8.2)3 C. f(x) = 8.2(x - 0.3)3 D. f(x) = 0.3x3 + 8.2
Find the slope of the line containing the two points.(-6, 3); (-6, 8)
A. - 
B. 5
C. 0
D. undefined
Given 
, find 
.
?
A. -31 B. 1 C. -19 D. 31 E. -23