Chapter 4, Problem 57RE

Evaluate Function  g(3,4) when g(x,y)=x-6y/x^2+y^2 a. -25/21 b. -5/21 c. -21/25 d. -21/5

Electrical Engineering For the given functions f x x^3 +2x^8 and g x = x^3, a) Determine with justification whether f x = 0 g(x) is true. b) Determine with justification whether g x = 0 f(x) is true.

Explain how you might differentiate a piecewise function like |x| When it's differentiable, for example, on the interval (0,infinity)