What is the domain of f(x) = 5x – 7? {x | x > –7}
{x | x < –7}
{x | x > 0}
{x | x is a real number}

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Based on the figures as marked, /\rqs = —

What is the equation of a line that passes through points (0, 4) and (-4,-8)?