For the given function f(x), find f-1(x).f(x) = - 
A. f-1(x) = - 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = -2x
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]
Use the preference table to answer the question.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees rank the four possible sites according to the following preference table. 
Determine the winner using the plurality-with-elimination method.
A. Florida B. San Antonio C. Hawaii D. Alaska
Find the formula for df-1/dx.f(x) = 
x + 
A. 
B. 6
C. x - 
D. 6x - 
Find the sum.-68 + 55
A. -13 B. 123 C. 13 D. -123