Which is an exponential decay function?
O f(x) = 0.2
f(x) = -3.10
f(x) = 10%
f(x) = -2(0.7)*

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

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Find the solution of this system of equation -7x+y=-20 9x-3y=36