A retail store purchases a sweater at wholesale for $80 and needs to sell it at a 150% markup

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Which of the functions graphed below has a removable discontinuity?