3. Maggie leaves her home and travels 4 miles
east to the grocery store. She then travels 7 miles
to the north and stops to pick up pizza. How many
miles will she travel to return home, if she takes
the most direct route? (round to the nearest tenth)

8.1 miles because you can solve this by using the Pythagoras theory which solves for a missing side by doing a^2 +b^2 = c^2 which is double what you want do you square it and get 8.062257748 which rounds to 8.1

C. Yes; the graph passes the vertical line test.

Step-by-step explanation:

Reasons the others are wrong:

A. It does pass the vertical line test.

B. Y-values can have any x values. It is x-values that can't have multiple y-values.

D. There are y-values with more than one x-value on this graph so that's just false. Even if it were true, that still doesn't invalidate it due to the reasons given in Answer B.