Consider the integration of the function f(x) = 1 + e-x sin(4x), over [a, b] - [0,1]. use exactly five function evaluations and compare the results from the composite trapezoidal rule and composite simpson's rule. take uniform step size h = 0.25. 2. let f(x)= cos(x), where x is measured in radians. use the central-difference formula of order o(h2) to calculate an approximation to f (0.8). compare your answer with the actual derivate of cos(x) at x-0.8.

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step-by-step explanation:

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)