Use the definition of continuity to determine whether f is continuous at a.f(x) = 
a = -7
A. Continuous
B. Not continuous
Answer: A
Mathematics
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True or False?
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Mathematics
Use an equation to solve the percent problem.What number is 30% of 49?
A. 1.47 B. 1470 C. 14.7 D. 147
Mathematics
Write your answer in lowest terms.The Brown family traveled 100 miles on a trip this summer. 30 miles of their trip was by train. What fraction of the trip was by train?
A. 
B. 100
C. 
D. 
Mathematics
Solve.If y varies directly as the cube of x, and y = 8 when x = 10, find y when x = 5.
A. 4 B. 16 C. 64 D. 1
Mathematics