Factor the special products.r2 + 2r + 1
A. (r - 1)(r + 1)
B. (r + 1)2
C. (r - 1)2
D. (r + 2)(r - 2)
Answer: B
Mathematics
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Evaluate the expression.
-3
A. - 
B. 
C. - 
D. 
Mathematics
Solve the problem.Rashid invested $4000 at 10% compounded annually. How much will be in the account in 4 years? Round to the nearest cent.
A. $4135.01 B. $1856.40 C. $5856.40 D. $4003.32
Mathematics
Solve the problem.Find the average height of the part of the paraboloid 
that lies above the 
.
A. 250
B. 
C. 50
D. 150
Mathematics
Which of the given functions is discontinuous?
Mathematics