Use the diagram and the information given to find the indicated measure: 1. ZX is the perpendicular axis of WY, yYZ = 13.75. Find the value of WZ.

2. ZX is the perpendicular axis of WY,

WZ = 4n − 13, and YZ = n + 17. Find the value of

AND Z.

3. Find the value of WX when

W Z = 20.5, W Y = 14.8, and Y Z = 20.5

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).

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