Evaluate by using polar coordinates.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (2x + 3)x
A. x ln (2x + 3)
B. (2x + 3)x
C. (2x + 3)x
D. ln (2x + 3) + 
Mathematics
Solve and graph the solution set. Write the solution using interval notation.11 < 3b + 5 ? 23
A. [2, 6]
B. [2, 6)
C. (2, 6)
D. (2, 6]
Mathematics
In a certain state, the sales tax T on the amount of taxable goods is 10% of the value of the goods purchased (x), where both T and x are measured in dollars. Express T as a function of x. ?
A. 
B. 
C. 
D. 
E. 
Mathematics
Write the decimal point in the correct location. 
A. 319 B. 3190.0 C. 3.19 D. 31.90
Mathematics