7.4 Exercise 70

Solve Rational Equations that Involve Functions

For rational function, $f \left(x\right) = \frac{2 - x}{x^{2} - 7 x + 10} ,$ ⓐ find the domain of the function ⓑ solve $f \left(x\right) = 2$ ⓒ find the points on the graph at this function value.