Find d2y/dx2 without eliminating the parameter.x = ln(9t), y = e9t, t > 0
A. 9e9t + 81te9t
B. -81t2e9t
C. 9te9t + 81t2e9t
D. te9t + 9t2e9t
Answer: C
Mathematics
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Solve the problem.The mean and median salaries for U.S. workers are $28,000 and $43,000, respectively. State whether you think the distribution of salaries is normal, rectangular, skewed left, or skewed right. Explain your answer.
What will be an ideal response?
Mathematics
Find all of the zeros of the function.f(x) = x4 - 12x2 + 35
A. x = ±7, x = ±5
B. x = ±
, x = ±
C. x = 
, x = 
D. There are no zeros.
Mathematics
Find the derivative.y = 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions.3x - 9y = 6 y = 
x - 
A. One Solution B. Infinite number of solutions C. No Solution
Mathematics