While training for a marathon, Ava tracks the miles she runs each day. The function f(x) gives the number of miles Ava runs on day x. What does f(9)

here is the

mark brainliest pl

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.