Find the range of the function.f(x) = 7 - x2
A. [7, ?)
B. (-?, 7]
C. (-?, ?)
D. [-
, 
]
Answer: B
Mathematics
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Provide an appropriate response.Find the indicated part of the right triangle in the given figure by the most direct method.
A. 8.000 cm B. 17.89 cm C. 28.84 cm D. 56.31 cm
Mathematics
Graph the complex number.6 + 2i
A. 
B. 
C. 
D. 
Mathematics
Divide, if possible. Write the answer in simplest form.27 ÷ 
A. 
B. 4
C. 5
D. 6
Mathematics
Solve the problem.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 1.9 and b = -2.5, find y when x is 120 min.
A. 115.25 min B. 124.75 min C. 225.5 min D. 230.5 min
Mathematics