Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 9}. Evaluate 
dA, where f is the function 
A. 171
B. 27
C. 9
D. 261
Answer: A
Mathematics
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Solve the problem.Add (6x3 - 3x + 11) to the sum of (x2 - 6x - 3) and 
A. 7x3 + x2 - 6x + 9 B. 8x3 - 6x + 9 C. 7x3 + 4x2 - 9x + 9 D. 7x3 + x2 - 6x + 8
Mathematics
Use the formula 
to find the average rate of change of the function f(x) on the interval [a, b].f(x) = 4x, [2, 5]
A. 336 B. 208 C. 347 D. 504
Mathematics
Simplify. Assume that all variables represent positive real numbers.-
A. - 
B. - 
C. - 
D. - 
Mathematics