Find the value of this expression if x=9 x2 + 6 / x - 6

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Find the solution of system of equation y= x-4 y=4x+2

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.