The exponential function h, whose graph is given below, can be written as h(x)=a*b^x

do you have a picture of the table

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.

b segment jm is correct i think