Acard is drawn from a deck of 52 cards. find the probability of drawing a black card or spade

sounds & other waves originate from any vibrating object

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.