Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines x = y/9, x = 1, y = 0
A. 243(e - 1)
B. 
(e - 1)
C. 
e
D. 729(e + 1)
Answer: B
Mathematics
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Use the laws of exponents to simplify. Write the answer with positive exponents.(b7)6/7
A. b1/7 B. b6/49 C. b6 D. b13/7
Mathematics
Solve the problem.Rafael makes labels for a major distributor. He is paid $0.70 for each label and records the following number of completed labels: Monday, 76; Tuesday, 84; Wednesday, 111; Thursday, 106; Friday, 121. How much will he be paid for his work for the week?
A. $347.90 B. $349.30 C. $263.90 D. $348.60
Mathematics
Identify the equation as either an identity or not.
= cot 2x cot x
A. Identity B. Not an identity
Mathematics
Solve the equation.
= 
+ 
A. 
B. 
C. {-3}
D. {3}
Mathematics