If f(x) is a linear function and the domain of f(x) is the set of all real numbers, which statement cannot be true?

Consider the reflection of parallelogram pqrs across the line of reflection, . if rr' = 14, then rz = . if sx = 5, then = 5.

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?