The distance between two cities is 400 miles. The
function
400
Which best compares the mathematical domain and
range with the reasonable domain and range?
represents the average speed a person must travel over
x hours to cover the distance.
mathematical: {x € R} {y E R}
reasonable: x > 0, y = 0
mathematical: {x ER|x 0} {Y ERTY # 0}
reasonable: x >0, y > 0
mathematical: {x € R} {y E R}
reasonable: x 20, y = 0
mathematical: {x ER | x0} {Y E R y 0}
reasonable: x 20, y 2 0