Write the interval in set-builder notation and graph the set on a number line.[-4, ?)
A. {x|x ? -4}
B. {x|x < -4}
C. {x|x ? -4}
D. {x|x > -4}
Answer: C
Mathematics
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Multiply.(2x + 5)2
A. 4x2 + 20x + 25 B. 2x2 + 20x + 25 C. 2x2 + 25 D. 4x2 + 25
Mathematics
Find the specified domain.For f(x) = x2 - 64 and g(x) = 2x + 3, what is the domain of 
?
A. 
? 
B. (-?, ?)
C. (-8, 8)
D. 
Mathematics
Write the improper fraction as a mixed or whole number.
A. 5
B. 56
C. 
D. 56
Mathematics
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. 160 sec B. -2 sec C. 5 sec D. 2 sec
Mathematics