PLSS help

the answer either has to be -3 , 1/2, 2, 3, 0 , 1 , -2 , 5 , undefined

What signals you that factoring by grouping is the best method to use when factoring a problem?

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2