The number of integer values of m for which `f(x) = x^3- mx^2 + 3x - 11` invertible is ...

The number of integer values of m. for which the x - coordinate of the point of intersection of the lines 3x + 4y = 9 and y = mx + 1 is also an interger is

The number of interger values of m, for which the x coordinate of the point of intersection of the lines y = mx +1 and 3x+4 y =9 is also in integer, is-

The number of integer values of m for which the x-co-ordinates of the point of intersection of the lines 3x+4y=9 and y=mx+1 is also an integer is :

Find the number of integer values of m for which the x-coordinate of the point of intersection of the lines 3x+4y=9 and y=mx+1 is also an integer.

For what value of m is f(x)=(m+2)x^(3)-3mx^(2)+9mx-1 is invertible?