Find the domain of the square root function. Then use the domain to choose the correct graph of the function.f(x) = 
A. domain of f: (-?, 3]
B. domain of f: [-3, ?)
C. domain of f: [3, ?)
D. domain of f: (-?, -3]
Answer: C
Mathematics
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A parabolic arch spans a stream 220 feet wide. How high above the stream must the arch be to give a minimum clearance of 20 feet over a channel in the center that is 180 feet wide?
A. 20 feet B. 31.325 feet C. 60.5 feet D. 80.5 feet E. 34.725 feet
Mathematics
Find the mode or modes for the set of numbers.82, 50, 32, 50, 29, 82
A. 54.17 B. 50 C. 82, 50 D. 82
Mathematics
Rewrite the fraction as a decimal number.
A. 0.7 B. 0.8 C. 0.75 D. 0.6
Mathematics
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.
A. 
+ 360°, 
- 360°
B. 
, - 
C. 
, - 
D. 
, - 
Mathematics