Solve the problem.Add (6x3 - 3x + 11) to the sum of (x2 - 6x - 3) and 
A. 7x3 + x2 - 6x + 9
B. 8x3 - 6x + 9
C. 7x3 + 4x2 - 9x + 9
D. 7x3 + x2 - 6x + 8
Answer: A
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Consider the initial value problem. Find the approximations of y(0.2) and y(0.4) using Euler's method with a time step of 
Then using the exact solution given, compute the errors in the Euler approximations at 
and 
Round answers to five decimal places, do not use intermediate rounding.y'(t) = 3 - y, y(0) = 2; y(t) = 3 - e-t
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Solve the problem.The groundhog population of Punxsutawny, Pennsylvania is closely monitored each year. Two years ago the population decreased by 12%. Last year the number of groundhogs increased by 6%. This year the population also increased by 9%. What was the percentage increase/decrease of groundhogs over these three years? Round your answer to the nearest tenth of a percentage point.
A. 29.4% increase B. 1.7% increase C. 4.3% decrease D. 9.2% increase E. 24.8% decrease
Round to the indicated place value.Round to the nearest hundredth: 0.3104
A. 0.3104 B. 0.31 C. 0.32 D. 0.310
Let Z be the standard normal variable. Round your answers to the nearest hundredth, if necessary.
?
Find the value of z if z satisfies 
.
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__________
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Find the value of z if z satisfies 
.
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__________
What will be an ideal response?