At 3:25 p. m., a passenger train and a freight train both left Kalamazoo, Michigan. Right now, the passenger train is 61.5 miles west of Kalamazoo.
The freight train is now 49.5 miles east of Kalamazoo. The passenger train
averages 16 miles per hour faster than the freight train. What time is it
now?

step-by-step explanation:

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

$6.42

step-by-step explanation: