Find the inverse function.
f(x) = 3x – 1
f-1(x) = x + [?]

f-1(x)=x+1/3 is yr answer.

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.

i need more details sorry

step-by-step explanation: