Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [-6, -5]
-6 ? x ? -5
B. [-6, -5)
-6 ? x < -5
C. (-6, -5]
-6 < x ? -5
D. (-6, -5)
-6 < x < -5
Answer: D
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Tell how many roots the following equation has.
?
?
A. 0 B. 8 C. 10 D. 13 E. none of these
Solve the problem.Paul gets a bill from a sign rental company for 
The company charges 
per day for the sign, plus 
for delivery/pick up. For how many days rental was Paul billed?
A. 8 days B. 11 days C. 10 days D. 7 days
Express each quantity as a positive or negative number.A climb of 142 feet up a sheer mountain cliff
A. +142 feet B. -142 feet
Write a formula for the general term (the nth term) of the sequence. Then use the formula for an to find the twelfth term of the sequence.25, 5, 1, 
, . . .
A. an = 25
n + 1; a12 = 
B. an = 25
n - 1; a12 = 
C. an = 25
n; a12 = 
D. an = 5
n - 1; a12 = 