A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.13 for each minute of calls. Plan B costs $16 plus an additional $0.08 for each minute of calls.

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).

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?