Write a description of the set {23, 24, 25, 26}.

A) The set of all integers between 22 and 27.
B) The set of all integers between 23 and 26.
C) The set of all real numbers between 22 and 27.
D) The set of all real numbers between 23 and 26.
E) The set of all rational numbers between 23 and 26.


A) The set of all integers between 22 and 27.

Mathematics

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Find the inverse of the function.f(x) = 

A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = (x - 2)2
D. f-1(x) = x2 + 2, x ? 0

Mathematics

Graph the function.y =  - 3

A.

B.

C.

D.

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Approximate the zero of f(x) = cos(x) + 3x in [–1, 1] to within 0.00001.

What will be an ideal response?

Mathematics

Find the foci of the ellipse whose equation is given. +  = 1

A. foci at (-3, -1 - ) and (-3, -1 + )
B. foci at (3, -1 - ) and (3, -1 + )
C. foci at (-2, -1 - ) and (-2, -1 + )
D. foci at (-1, -3 - ) and (-1, -3 + )

Mathematics