Use the summation properties to evaluate the series. The following rules may be needed: 
. 
A. - 65
B. - 85
C. - 45
D. - 33
Answer: A
Mathematics
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Find k such that the function is a probability density function over the given interval.f(x) = kx2, -1 ? x ? 4
A. 
B. 
C. 
D. 
Mathematics
Solve the formula for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics
Solve the inequality.
< 
A. x < -3 or x > -2 B. 2 < x < 3 C. x < 2 or x > 3 D. -3 < x < -2
Mathematics
For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Mathematics