For the given rectangular equation, write an equivalent polar equation.x2 + y2 - 4x = 0
A. r sin2? = 4 cos ?
B. r = 4 sin ?
C. r cos2? = 4 sin ?
D. r = 4 cos ?
Answer: D
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln(ln 2x)
A. 
B. 
C. 
D. 
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Evaluate the logarithm.log231
A. 23 B. 0 C. 1 D. 10
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Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary.fractiondecimalpercent
A. 0.174; 174% B. 0.054; 5.4% C. 0.054; 0.54% D. 0.174; 17.4%
Mathematics
Find the location and value of each local extremum for the function.
A. (-3.5, -1.5), (3.5, 1.5) B. (-5.5, -3), (5.5, 3) C. (-5.5, -3), (-3.5, -1.5), (3.5, 1.5), (5.5, 3) D. None
Mathematics