What is the slope of a line that passes through the
points (5,-2) and (-3, -4)?

If f(x)=3 over x+2 - square root x-3 then f(7)=

Find the solution of this system of equations -7x+y=-20 9x-3y=36

For which of these functions is function composition commutative with ƒ(x) = (x + 1 /3x − 2) ? a - g(x) = (3x − 2/x + 1)b - g(x) = (3x − 3/x + 2)c - g(x) = (2x + 1/3x − 1)d - g(x) = (2x − 1/3x + 1)