Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (1, 8)
1 < x < 8
B. (1, 8]
1 < x ? 8
C. [1, 8)
1 ? x < 8
D. [1, 8]
1 ? x ? 8
Answer: D
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Solve the problem. Express your answer in simplest form.Alan walked 
mi to the store and then another 
mi to his friend's house. How far did he walk?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. 
Find the vertex, the focus, and the directrix of the parabola.y = x2 + 10x + 26
A. V: (-5, 1); F 
; D: x = 
B. V: (-5, 1); F 
; D: y = 
C. V: (-5, 1); F (-5, 2); D: y = 0
D. V: (-5, 1); F 
; D: y = 
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.