Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = x2 + 6
A. (-6, 0)
B. (0, 6)
C. (0, -6)
D. (6, 0)
Answer: B
Mathematics
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Solve the problem.The mass (in g) of gold plate on a dish is increased by electroplating. The mass of gold on the plate is given by m = 115 + 20.0t, where t is the time (in h) of electroplating. For what values of t is m between 133 g and 187 g? Graph the solution.
A. 0.9 < t < 3.6
B. 6.65 < t < 9.35
C. t < 6.65 or t > 9.35
D. t < 0.9 or t > 3.6
Mathematics
Use L'Hospital's rule to find the limit.
A. 
B. ?
C. 0
D. 1
Mathematics
Use the given feasible region determined by the constraint inequalities to find the minimum possible value of the objective function.f = 3x + 11y subject to the constraints 
A. 198 B. 0 C. 108 D. 323
Mathematics
Perform the indicated operation and simplify. 
+ 
A. 1
B. 
C. 
D. 
Mathematics