Question

Which ordered pairs lie on the graph of the exponential function f (x) = 3(0.2)^x

Answer 1

The ordered pairs which lie on the graph of the exponential function, f(x) = 3(0.2)^x is; Choice A; (0, 3).

Ordered pair Solution;

The given exponential function is;

• f (x) = 3(0.2)^x

By testing all values; Only the pair; (0, 3) is a solution to the graph of the exponential given.

By testing;

• f (0) = 3(0.2)⁰.

• Where, (0.2)⁰ = 1 (from indices).

• f(0) = 3 × 1 = 3.

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