the answer please, the work is optional.
the answer please, the work is optional. Question 11 2 pts If you know f' (-3)...
Given f = < 6,7> and p= < 3, – 2 > , find |F – ) and (F] - lö). Give EXACT answers. You do NOT have to simplify your radicals! Preview 14 PI Preview
Question 20 5 pts Suppose that you have the following information about a function f: (1) f'(x) < 0 on (-0, -1), f'(x) > 0 on (-1, 1), and f'(x) < 0 on (1,00); (2) F"(x) > 0 on (-0,0), f'(x) < 0 on (0,0). Which of the following could be the graph of f? 2 1 /2 3 1 2
2. A random variable X has a cdf given by F(x) = 1 . x < 0 0 < x < 1 <3 x > 3 11, (f) What is P(X = 1)? (g) Find E(X), the expectation of X. (h) Find the 75th percentile of the distribution. Namely, find the value of 70.75 SO that P(X < 70.75) = F(710.75) = 0.75. (i) Find the conditional probability P(X > X|X > 3).
Question 9 2 pts You are given lim f(x) = L and a tolerance ε. Find a number 8 such that (x)-1|< < whenever 0 <br-al<o x-a lim 8x = 32; a = 0.01 X-4 O 0.04 0.01 O 0.00125 O 0.08
Question 2 7 pts Theorem If A1, A2, .., A, are sets for n > 2, then (A, UA, U... A.) = (A) n(A)n... n(A) Upload Choose a File Question 3 6 pts o el DLL
Please help, I will rate for your answer 3. Use the Maximum/Minimum Principles to deduce that the solution u of the problem D.E. u = kuv 0 < x < 1, t > 0. B.C. u(0,0) = 0 (7,t) = 0 I.C. u(x,0) = sin(x) + {sin(2x) satisfies 0 < u(x,t) < 3/3/4 for all OSXST, 120.
Express the following functions in terms of unit step functions and find the Laplace transforms. 2 f(t)= 0 0<ts 1<t<21 t> 21 sint (12 marks)
5. (20 pts). Solve the following initial-value problem: Ut + 2uuz - 0<x<, 0 <t<oo 0 1 <1 > 1 u(t,0) = Then draw the solution for different values of time.
Could someone explain how these to get these phase portraits by hand with ẋ=y and ẏ=ax-x^2 especially for a=0 case where you have eigenvalues all equal to zero? 6.5.4 a>0 Sketch the phase portrait for the system x = ax-x, for a < 0, a = 0, and For a -(0 We were unable to transcribe this imageFor a>0 ES CS
W y O LLI < < Question 2019 > > Question 2 3 points Save Answer Aniline, CAH NH>, is a weak monoprotic base with Kb = 3.9 x 10-10. Calculate the pH of a 0.00862 M solution of this base. Report your answer to TWO places past the decimal.