Question

The number of muffins available to sell in the morning at a bakery is represented by y in the equation below, where x is the time in hours since the bakery closed.

y = 50x + 4

The owner of the bakery has ordered a new refrigerator that can hold twice as many muffins and will be delivered next month. She expects the number of muffins available to sell in the morning will be represented by the following equation next month.

y = 50x + 8

Which of the following describes how the graph representing the number of muffins available will change from this month to next month?

The y-interc on the line will shift up four units

The slope of the line will be one-fourth as steep.

The y-intercept of the line will shift down four units.


The slope of the line will be four times as steep