For the given probability density function, over the stated interval, find the requested value.f(x) = 
x, over the interval [1,4]. Find E(x).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (4t sin t + 4 cos t)i + (4t cos t - 4 sin t)j + 9k
A. a = 4T + 
N
B. a = 4tN
C. a = 4T + 4tN
D. a = 
N
Mathematics
Translate to an equation. Do not solve.51.4% of what is 34?
A. 51.4% = p × 34 B. 51.4% + p = 34 C. 51.4% × 34 = p D. 51.4% × p = 34
Mathematics
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. - 
?
B. - 
?
C. - 
?
D. -(1 + 2
) ?
Mathematics
Insert the correct sign of inequality (> or <) between the given numbers.
3.17
A. 
< 3.17
B. 
> 3.17
Mathematics