if the function f(n) models the amount of man-hours it takes to construct (n) televisions that are ready to ship from a electronic manufacturing facility, which describes an appropriate domain for the function?
a) all integers where n ≥ 0
b) all real numbers where n ≥ 0
c) all rational numbers where n > 0
d) all rational numbers where n ≥ 0

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!