Find the range of the quadratic function.f(x) = x2 + 5
A. [-5, ?)
B. [0, ?)
C. (-?, 5]
D. [5, ?)
Answer: D
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.5 B. 0.05 C. 4 D. 0.1
Mathematics
Write the set in set-builder notation.The set of all cars owned by students
A. {x | x is a student with a car} B. {x is a student with a car} C. {x is a car} D. {x | x is a car owned by a student}
Mathematics
Find the common difference of the arithmetic sequence.9, 13, 17, 21, ...
A. -4 B. 9 C. 4 D. 3
Mathematics
Fill in the blank with one of the words or phrases listed below.
A symbol used to represent a number is called a 
.
A. variable B. base C. denominator D. numerator
Mathematics