Hello can someone help me please

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

What are the domain and range of the function f(x)=2^x+1

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.