Question

Rational Functions and Their Graphs

Answer 1

Suppose that w and t vary inversely and that t=1/5 when w=4. Write a function that models the inverse variation, and find t when w=9.
A. t=1/5w; 4/45
B. t=1/5w; 1/5
C. t=1/20w; 1/80
D. t=4/5w; 4/45