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) = 
, y(0) = 8; y(t) = 8et/8
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: C
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Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 1 s
A. - 
ft/s2
B. - 
ft/s2
C. 
ft/s2
D. 
ft/s2
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Using the decreasing-time algorithm to schedule this project with two processors results in a completion time of
A. 18 hours. B. 23 hours. C. 19 hours. D. 22 hours. E. none of these
Simplify the expression.
A. sin x B. -cos x C. cos x D. -sin x
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost per ton for x = 200?
A. $100,000.00 B. $487.50 C. $61,904.76 D. $309.52