Solve the problem.Use a Riemann sum to approximate the area under the graph of f(x) on the given interval with selected points as specified. 1 ? x ? 7; n = 6; right endpoints
A. 27
B. 25
C. 20
D. 21
Answer: B
Mathematics
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Solve the equation.- 
a = 0
A. -17 B. 1 C. 17 D. 0
Mathematics
The graph of a one-to-one function is given. Draw the graph of the inverse function f-1. For convenience, the graph of 
is also give.
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 6y16 B. 6y18 C. 36y9 D. 6y9
Mathematics
Convert the units using unit fractions.10 days = 
hr
A. 120 B. 600 C. 70 D. 240
Mathematics