Compare and contrast the following piecewise
defined functions.

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).

Secant be and cf intersect at point d inside a what is the measure of cde

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?