Entered Answer Preview (9/4)* [e^(4*x)]-x*[e^(4*x)]-(1/4)+4*x The answer above is NOT correct. (1 point) Find y as...
Entered Answer Preview -336/155 336 155 The answer above is NOT correct. (1 point) Regarding y as the independent variable and x as the dependent variable, find the slope of the tangent line to the curve 2y4 + zy2 + 5yx4 – 5y = 198 at the point (2, 2). The slope of the tangent line to the curve at the point (2, 2) is Hint: Notice that in this case x is a function of y, so f(y) =...
Entered Answer Preview Result [e^(-2*1)]*[8*cos((9/5)*1)-14*sin((9/5)*t)] - * (cos(.) – 14 sin(6-)) incorrect The answer above is NOT correct. (1 point) Find y as a function of t if 25y" + 100y + 181y = 0, y(1) = 8, y'(1) = 2. y= e^(-2*t) * (8*cos(9/5*t) -14*sin(9/5*t))
Entered Answer Preview Result (6-5*x)*(e^(5*x)] (6 – 5x) ex incorrect The answer above is NOT correct. (1 point) Solve the boundary-value problem y" – 10y' + 25y = 0, y(0) = 6, y(1) = 0. Answer: y(x) = (6-5x)e^(5x) Note: If there is no solution, type "None".
Entered Answer Preview Result sech (**) 4x3 tann?(x) [([sech(x^(1/4))]^2)/(4* [x^(3/4)]* (ſtanh(x^(1/4))]^2)] incorrect The answer above is NOT correct. (1 point) If f(x) = tanh- va then f'(x) = -(sech^2(x^(1/4))/(4x^(3/4)tanh^2(x^(1/4)))) Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 5 times. You received a score of 0% for this attempt. Your overall recorded score is 0%. You have unlimited attempts remaining. HW-2: Problem 3 Previous Problem Problem List Next Problem (1 point) If f(x) = x...
Entered Answer Preview Result 2*(y^2)-[(x^2)/2] 2oy2 correct y = sqrt(([(x^2)/2]+7.5)/2) correct y = [([(x^2)/2]+4)^(1/2)] incorrect At least one of the answers above is NOT correct. (1 point) Solve the differential equation dx 4y a. Find an implicit solution and put your answer in the following form: 2y^2-(x^2/2) = constant b. Find the equation of the solution through the point (x, y) = (1, 2). Your answer should be of the form y = f(x). y=sqrt((((x^2y/2)+7.5)/2) c. Find the equation of...
(1 point) It can be shown that yı = e-4x and y2 = xe-4x are solutions to the differential equation y + 8y +16y=0 on the interval (-00, 00). Find the Wronskian of yn y (Note the order matters) W(y1, y2) = Do the functions yn y form a fundamental set on (-00,00)? Answer should be yes or no
Entered Answer Preview Result 7 7 incorrect The answer above is NOT correct. (1 point) Suppose that the following 30a -24y 20x - 16 is a consistent system. Then k = Preview My Answers Submit Answers
The answer above is NOT correct. (1 point) Find when y= -7 sin (In(x)) = Preview My Answers Submit Answers Your score was recorded You have attempted this problem 4 times You received a score of 0% for this attempt Your overall recorded score is 0% You have unlimited attempts remaining Page generated at 06/21/2020 at 10:08pm EDT WeWork 1000-2010 theme: math 4 ww_version: We Work 2.14g_version PG-2.14 The We
Entered Answer Preview Result 0.157 0.157 incorrect The answer above is NOT correct. (1 point) The equation In(x + 1) – In(x) = 2 has the solution x = 0.157 Hint: First use the properties of logarithms, then apply the exponential on both sides.
Entered Answer Preview 9.6 9.6 The answer above is NOT correct. (1 point) The area of the outermost triangle shown below is 6 in2, and t 5 and 0 30. in Find the perimeter P of the large triangle and round your answer to two decimal places. (Remember: The perimeter of a shape is the distance around the P 9.6 inches Preview My AnswersSubmit Answers Your score was recorded. You have attempted this problem 5 times.