For the given functions f and g, find the requested function.f(x) = 5x - 3; g(x) = -4x + 2Find (f + g)(-2).
A. -3
B. -23
C. -5
D. -11
Answer: A
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Solve the nonlinear system of inequalities.x2 + y2 ? 9
+ 
? 1
A. 
B. 
C. No real solutions
D. 
Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 18t + 72. For what values of t will there be a profit (that is, P > 0)?
A. t = 6 or t = 12 B. t = 18 C. 6 < t < 12 D. 0 < t < 6 or t > 12
Use the table to solve the problem.The following table gives the road distances between various cities.
How far is Ashland from Grand Junction?
A. 160 miles B. 235 miles C. 243 miles D. 85 miles
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hours shown was the temperature greater than 77°F?
A. 1 p.m. to 3 p.m. B. 1 p.m. to 2 p.m. C. 11 a.m. to 2 p.m. D. 11 a.m. to 3 p.m.