# 9. If r varies directly as s and inversely as the square of u, and r=2 when s=18 and u=2, find s when u=2 and 4 A 25 C. 49 B. 36 D 64

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## Answers

9. If r varies directly as s and inversely as the square of u, and r=2 when s=18 and u=2, find s whe...

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in mathematics, the graph of a function f is, formally, the set of all ordered pairs (x, f( and, in practice, the graphical representation of this set. if the function input x is a real number, the graph is a two-dimensional graph, and, for a continuous function, is a curve.