Write the solution set of the given homogeneous system in parametric vector form. 3 x 1 plus 3 x 2 plus 6 x 3 equals 0 where the solution set is xequals[Start 3 By 1 Matrix 1st Row 1st Column x 1 2nd Row 1st Column x 2 3rd Row 1st Column x 3 EndMatrix ]

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept: