Provide an appropriate response.The cube of a negative number is negative.
A. True
B. False
Answer: A
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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 - 3
A. vertex: (-1, 4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
B. vertex: (-1, -4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
C. vertex: (1, -4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
D. vertex: (1, 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 2tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Determine if the equation is an identity.csc(? - x) = csc x
A. Yes B. No
Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 1 - x2 for x ? 0
A. 
B. 
C. 
D. 