Find the opposite (additive inverse) of the number.-20
A. 0
B. 20
C. -20
D. - 
Answer: B
Mathematics
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Solve the problem.Evaluate the integral 
given that x = 4t and y = (2 + t2) .
A. - 
B. - 
C. 
D. - 
Mathematics
Determine whether the function is a probability density function over the given interval.f(x) = 
x, 1 ? x ? 3
A. No B. Yes
Mathematics
Sketch the graph and find the area of the region bounded by the graph of the function f and lines 
, 
and 
.
?
?
A. ?
sq units.
?
B. ?
sq units.
?
C. ?
sq units.
?
D. ?
sq units.
?
Mathematics
Factor.15z2 - 2z - 8
A. (15z + 2)(z - 4) B. (15z + 1)(z - 8) C. (3z + 2)(5z - 4) D. (3z - 2)(5z + 4)
Mathematics