Which graph represents the following piecewise defined function? g(x)=x2,x<0 1/2x,04

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

Precalculus question, image attached.