Katalin drove 210 miles on her vacation. she drove an average of 1.4 times faster on the second 105 miles of her trip than she did on the first 105 miles of her trip. which expression represents the time she spent driving? let x = her speed on the first half of the trip.

a. 180x

b. 360 divided by x.

c. 252 divided by x.

d. 180 divided by x.

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

the answer is b

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.