If x varies directly as p, and x=48 when p=8, find x when p is 5

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.

she has read 414 pages of her book

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