Entered 9.0155 Answer Preview Result 9.0155 incorrect The answer above is NOT correct. (1 point) Use a linear approximation to estimate the number (27.07) 2/3 Answer: 9.0155 Entered 0.392 Answer Preview Result 0.2. (1+0.96) correct incorrect At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) Use Euler's method with the given step size to estimate y(1.4) where y(x) is the solution of the initial-value problem 1. Estimate y(1.4) with a step size h = : 0.2. Answer: y(1.4) .2*(1+.96) 2. Estimate y(1.4) with a step size h = 0.1. Answer: y(1.4) y = x - xy, y(1) = 0. Entered Answer Preview Result 88 17.6 85 Message Your answer isn't a vector incorrect (it looks like a real number) The answer above is NOT correct. (1 point) Find the gradient of the function f(x, y, z) = z ln(xy), at the point (1, e, 1) Vf(1, e,-1) = 88/5