The degree of the polynomial function f(x) is 4. The roots of the equation f(x) 0 are --8, -5,1, and 2.
Which graph could be the graph of f (x)?

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).

The trigonometric ratios sine and secant are reciprocals of each other

Wrote and expression for the difference of p and 4