For an A. P. ,The first two term are -3, 4. The 21st term is

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

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.