Decide whether or not the function is a probability density function on the indicated interval.f(x) = 3x2; [-2, 2]
A. No
B. Yes
Answer: A
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.2x + 3y = 6
A. 2 cos ? + 3 sin ? = 6r B. r(2 cos ? + 3 sin ?) = 6 C. 2 sin ? + 3 cos ? = 6r D. r(2 sin ? + 3 cos ?) = 6
Mathematics
Solve the problem.To what new value should f(1) be changed to remove the discontinuity? f(x) = 
A. -4 B. -6 C. -5 D. -3
Mathematics
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
The 
of the rational function f(x) = 
is {x|x is a real number, x ? 3}.
A. domain B. denominator C. complex fraction D. numerator
Mathematics
Find the requested angle.Supplement of 45°
A. 90° B. 45° C. 135° D. 315°
Mathematics