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4 questions
Let y=f(x) be the solution to the differential equation dxdy=y−10x2 with the initial condition f(0)=3 . What is the approximation for f(0.4)
if Euler’s method is used, starting at x=0 with steps of size 0.2 ?
4.120
4.200
4.240
4.768
Let y=g(x) be the solution to the differential equation dxdy=xy−2 with the initial condition g(2)=−1 . What is the approximation for g(1) if Euler’s method is used, starting at x=2 with two steps of equal size?
-6.25
1.25
1.50
3.00
The table above gives values of f′ , the derivative of the function f , for selected values of x. If f(2)=6 , what is the approximation for f(1.4) obtained by using Euler's method, starting at x=2 with two steps of equal size?
4.2
4.5
6.9
7.5
What is the answer to Problem 4?
A
B
C
D
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