A runner is participating in a 11.1 mile race. If the runner stopped at a water station that is three times as far from the starting line as from the finish line, how far is the runner from the finish line?

(Type an integer or decimal rounded to the nearest hundredth as needed.)

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Plot the intercepts to graph the equation

What’s the answer ? use the picture to see the problem