Hurry i need the answer right away soo send me math work answers my friend said it's 42? is it right

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4