Use the definite integral to find the area between the x-axis and the graph of f(x) over the indicated interval.f(x) = 2x + 7; [1, 5]
A. 52
B. 26
C. 9
D. 18
Answer: A
Mathematics
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For the given polar equation, write an equivalent rectangular equation.r = 10 sin ?
A. x2 + y2 = 10y
B. 
= 10y
C. x2 + y2 = 10x
D. 
= 10x
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.1 ? 5, 2 ? 6, 3 ? 7, 4 ? 8, 5 ? 9, . . .
A. an = n + 4n B. an = n(n - 4) C. an = n(n + 4) D. an = n(n + 5)
Mathematics