Which could be the name of a point ?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?