Convert the polar equation to a rectangular equation.r2 sin 2? = 4
A. xy = 4
B. x2 + y2 = 4
C. y2 = 4
D. xy = 2
Answer: D
Mathematics
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Find the function with the given derivative whose graph passes through the point P.r'(?) = 7 - csc2?, P
A. r(?) = 7? - cot? - 
? - 2
B. r(?) = 7? - cot? - 
? + 2
C. r(?) = 7? + cot? - 
? - 1
D. r(?) = 7? + cot? - 
? + 1
Mathematics
Choose the most reasonable unit of measure.Pencil width: 0.2 
(in, ft, yd, mi)
A. in B. ft C. mi D. yd
Mathematics
Find the db gain of an amplifier whose output voltage is 4.8 volts and whose input voltage is 0.5 volts. ? Please enter your answer as a number without the units, rounded to the nearest integer.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Explain the error in the following: 
= 
- 
= x - 6.
What will be an ideal response?
Mathematics