Simplify the square root. Assume all variables represent positive real numbers.

A.
B.
C.
D.


Answer: D

Mathematics

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Evaluate the integral.

A.
B. 1170
C.
D. 234

Mathematics

Find the total area of the region between the curve and the x-axis.y = x2 + 1; 0 ? x ? 1

A.
B.
C.
D.

Mathematics

Simplify.

A.
B. -3b
C.
D. - 

Mathematics

?Buses arrive and depart from a college every 20 minutes. The probability density function for the waiting time t (in minutes) for a person arriving at the bus stop is  on the interval . Find the probability that the person will wait no longer than 5 minutes. ?

A. ?
B. ?
C. ?
D. ?
E. ?

Mathematics