Find f(x) at the indicated value of x.f(x) = 7, x = 4
A. 28
B. 11
C. 7
D. 4
Answer: C
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Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 
?, 
= 
?
C. 
= 6?, 
= 6?
D. 
= 0, 
= 
?
Solve the problem.A town's annual snowfall is normally distributed with a mean of 44 inches and a standard deviation of 6 inches. In what percentage of years is the snowfall between 32 and 44 inches?
A. 34% B. 95% C. 47.5% D. 68%
Provide an appropriate response.Show that the derivative of y = 
, x ? 0, is y' = 
by writing 
and then using the chain rule.
What will be an ideal response?
Find the missing value. Round time to the nearest period, interest rate to the nearest whole percent per year, and money to the nearest cent.Principal: $6709Compound amount: $12,951Interest rate: 
Compounded: quarterlyTime: 9.25 years
A. 9% B. 6% C. 7% D. 8%