Question

eight - year - old alex is learning to ride a horse. the trainer says that a horse ages 5 years for every 2 human years. the horse is now 50 years old in human years. in the graph, alexs age is on the x - axis and the horses age is on the y - axis. what does the y - intercept represent?
the horses age when alex was born
the horses rate of aging
alexs age when the horse was born
the horses age now

Explanation:

The y-intercept occurs where the x-value (Alex's age) is 0, which corresponds to when Alex was born. The y-value at this point is the horse's age at that specific time.

Answer:

○ The horse's age when Alex was born