Which graph represents a function? HELP ITS TIMED

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

What is the measure of ac? 5 units 13 units 26 units 39 units

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples