Multiply the expressions.(x + 15)2
A. x2 + 30x + 225
B. 225x2 + 30x + 225
C. x + 225
D. x2 + 225
Answer: A
Mathematics
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Specify the domain of the function.f(x) = 
A. x ? 49 B. x ? 7, x ? -7 C. All real numbers D. x > 49
Mathematics
Below are entries in a checkbook. Find the errors in the balance calculations and report the correct final balance for your answer.
A. $6974.93 B. $9851.83 C. $9801.83 D. $6847.45
Mathematics
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 9 lb when the masses are 2 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 2 lb C. 1 lb D. 4 lb
Mathematics
Graph the function.f(x) = 5(x + 4) + 3
A. 
B. 
C. 
D. 
Mathematics