19. Which of the following relationships is a function? > 1
O A. y² = 26²
B.
Domain Range
3
> 2
4
7
C. y2 = x2 – 3x + 4
D.
Domain Range
13
0
2
-1

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.

step-by-step explanation: 2