Astate park charges $5 per car plus $1 per person as an admission fee. the total charged for a car with x people is f(x) = x + 5. how will the graph of this function change if the per car charge is changed to $8 per car? (1 point) the line will shift vertically down by $3. the line will shift vertically up by $3. the line will shift vertically up by $8. the line will shift vertically down by $8.