Round the number to the place indicated.Round to the nearest tenth: 12.956
A. 12.96
B. 12.9
C. 13.1
D. 13.0
Answer: D
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Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = -x2 + 2x
A. vertex: (1, 1)
axis of symmetry: x = 1
x-intercepts: 0 and 2; y-intercept: 0
domain: (-?, ?); range: (-?, 1]
B. vertex: (-1, 1)
axis of symmetry: x = -1
x-intercepts: 0 and - 2; y-intercept: 0
domain: (-?, ?); range: (-?, 1]
C. vertex: (1, -1)
axis of symmetry: x = 1
x-intercept: none; y-intercept: -2
domain: (-?, ?); range: (-?, -1]
D. vertex: (-1, -1)
axis of symmetry: x = -1
x-intercept: none; y-intercept: -2
domain: (-?, ?); range: (-?, -1]
Provide an appropriate response.Graph the solution to 3x + 1 ? 13 or x - 2 ? 5.
A. 
B. 
C. 
D. 
Simplify and list all restrictions on the domain.f(z) = 
? 
A. f(z) = 
, z ? -2, 2, 3
B. f(z) = 
, z ? -2
C. f(z) = 
, z ? -2
D. f(z) = 
, z ? -2, 2, -3
A game has payoff matrix A = 
. Player R uses strategy [ 0.3 0.7 ] and player C uses strategy 
. What is the expected value of the game?
A. 
[ 0.3 0.7]
B. [ 0.3 0.7] A 
C. 
A [0.3 0.7]
D. [0.3 0.7] 
E. none of these