Solve.6x - (4x + 4) = 4
A. 5
B. 3
C. 4
D. 6
Answer: C
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Solve.Write the equivalent decimal and percent for 
.
A. 0.008
; 
%
B. 0.008
; 
%
C. 0.08
; 8
%
D. 0.8
; 83
%
Determine whether the relation is a function. Give the domain and range.{(-6, 5), (3, 9), (-6, -2), (-1, -8)}
A. not a function; domain: {-6, -1, 3}; range: {-8, -2, 5, 9} B. function; domain: {-8, -2, 5, 9}; range: {-6, -1, 3}
Solve the problem.A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 2 m down from the top of the dome the ceiling is 24 m wide, find the best location for the light source.
A. 54 m down from the top B. 72 m down from the top C. 36 m down from the top D. 18 m down from the top
List the critical values of the related function. Then solve the inequality.
> 0
A. -2; (-?, -2) B. No critical values; ? C. -2, 2; (-2, 2) D. -2; (-2, ?)