Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
?
B. 
?
C. 
?
D. 
?
Answer: B
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__10611192124__f1q21g7.jpg" alt="" style="vertical-align: -4.0px;" />
A. -4
B. 4
C. -8
D. 8
Rwhere R is the parallelogram bounded by the lines 
Find all points where the function is discontinuous.
A. x = -2, x = 0 B. x = -2, x = 0, x = 2 C. x = 0, x = 2 D. x = 2
Solve problems using a calculator.An electronics mixing circuit adds two given input frequencies to produce an output signal. If the input frequencies are 38,102 kHz and 55,981 kHz, calculate the frequency of the output signal.
A. 94,083 kHz B. 94,242 kHz C. 94,076 kHz D. 92,189 kHz
Write the whole number in standard form.Eight thousand, one hundred sixty-seven
A. 8167 B. 800,167 C. 81,067 D. 810,067