A: tell whether the relationship between x and t is a linear function, exponential function, or neither. explain your reasoning.
b: if the relationship is a linear or exponential, give it's equation.
can someone give me the definition of a linear function and exponential function while theyre at it too, . i'm confused

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?