Determine whether the function is a probability density function over the given interval.f(x) = 
x2, 0 ? x ? 3
A. No
B. Yes
Answer: B
Mathematics
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Provide an appropriate response.Starting at middle G with a frequency of 390 cps, find the frequency of the note a fifth above middle G.
A. 372 B. 579 C. 584 D. 606
Mathematics
Solve the problem.Find the sum of the infinite series 1 + 9r + 4r2 + 9r3 + r4 + 9r5 + 4r6 + 9a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Mathematics
Convert to fraction notation.-8
A. - 
B. - 
C. - 
D. - 
Mathematics
Complete.5 cups = oz
A. 20 B. 40 C. 10 D. 80
Mathematics