Determine the value of x or ? as requested. Round results to an appropriate number of significant digits.Determine the value of ?.
A. 1.40°
B. 42.9°
C. 0.700°
D. 47.1°
Answer: D
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Tell whether the statement is true or false.The absolute value of any number is positive.
A. True B. False
Solve the problem.Suppose 
is a mathematical model for actual time as a function of estimated time, where f(x) represents actual time and x represents estimated time and m and b are constants. If 
and b = -2, find f(x) when x is 120 min.
A. 254 min B. 115.8 min C. 124.2 min D. 250 min
Solve the problem.In a survey of 2000 lawyers, 20 lawyers said they planned to exercise more this year. What percent of those surveyed planned to exercise more this year? Round to the nearest whole percent.
A. 200% B. 20% C. 10% D. 1%
Graph the linear function and give the domain and the range. If the function is a constant function, identify it as such.f(x) = 
x + 6
A. D = (-?, ?), R = (-?, ?)
B. D = (-?, ?), R = (-?, ?)
C. D = (-?, ?), R = (-?, ?)
D. D = (-?, ?), R = (-?, ?)