6 gas-powered toy cars cost $6,000. The cost of each car is the same. What is the cost of each car?

The graph below could be the graph of which exponential function?

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).

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)