ANSWER ASAP GIVING BRAINLIEST FIVE STARS AND A HEART! Two angles are complementary, can they also be supplementary? Explain.

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).

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7