Answer the question.For f(x) = 2x - 5 and g(x) = 
, what is the domain of g?f?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write the phrase as a variable expression. Use x to represent "a number."The total of a number and 121
A. 121 - x B. 121 C. 121x D. x + 121
Mathematics
Find the range of the function.y = (x - 10)2 + 5
A. [-?, 5) B. [5, ?) C. [-?, -10) D. [10, ?)
Mathematics
Solve the problem.A pendulum bob swings 6.0 cm on its first oscillation. On each subsequent oscillation the bob travels 
of the previous distance. Find the total distance the bob travels before coming to rest.
A. 12.0 cm B. 13.3 cm C. 13.0 cm D. 9.0 cm
Mathematics
Solve the equation.0.05y + 0.09(700 - y) = 0.21y
A. 157.5 B. 504 C. 15.75 D. 252
Mathematics