43% < x < 4/7 plz help fast!

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

If g^-1(x) is the inverse of g (x) which statement must be true