The time it takes to fly from Los Angeles to New York varies inversely as the speed of the plane .If the trip takes 6 hours at 900 km/h, how long would it take at 800 km/h?

A) 12 hours
B) 6.75 hours
C) 5.33 hours
D) 10 hours

21

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb