Is -1 rational or irrational and is √3 + -1 Rational or irrational

explain if u can pls​

Matilda and kathryn went on different road trips over spring break. the equation below represents the number of miles matilda drove in x hours. y = 60xthe table below shows the number of miles kathryn drove in x hours. time(in hours)distance(in miles)114228342456who drove at a greater speed? a. matilda drove at a greater speed. b. matilda and kathryn drove at the same speed. c. kathryn drove at a greater speed. d.there is not enough information to determine their speeds

These question are hard can you me with answers

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)