For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Answers may vary. One possible solution is:
1. (f-1 ? f)(x) = f-1(f(x)) = f-1
= 
= 
= 
= x;
2. (f ? f-1)(x) = f(f-1(x)) = f
=
= 
= 
= x
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Provide an appropriate response. A carpenter is estimating the amount of baseboard for a rectangular room that measures 28 feet 6 inches by 32 feet 9 inches. How many feet will it take to go around the room if you must add two of the lengths and two of the widths? Answer in feet and inches in standard form.
A. 197 feet B. 89 feet 3 inches C. 950 feet D. 122 feet 6 inches
Solve the equation.2(x + 7) = 3(x - 8)
A. {-38} B. {38} C. {3} D. {-10}
Identify the vertices and foci.
+ 
= 1
A. Vertices: (-5, -26), (-5, 24); Foci: (-5, -16), (-5, 14) B. Vertices: (-5, -26), (-5, 24); Foci: (-5, -21), (-5, 19) C. Vertices: (-26, -5), (24, -5); Foci: (-21, -5), (19, -5) D. Vertices: (-26, -5), (24, -5); Foci: (-16, -5), (14, -5)
Provide an appropriate response.Determine which of the following is used to solve the equation 
= c, for c > 0.
A. ax + b = -c B. ax + b = c or ax + b = -c C. ax + b = c and ax + b = -c D. ax + b = c