Values for the function f(x) are shown in the table. x012345f(x)248163264 Which statement proves that f(x) is an exponential function? A) All of the values of f(x) are odd numbers. B) All of the values of f(x) are multiples of 2. C) The function f(x) grows by equal factors over equal intervals. D) The function f(x) grows by equal differences over equal intervals.

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wheezym · Accepted Answer

Step 1   Given a table of values of f(x) at different points.   Step 2   an exponential function is of the type f(x)=ax where a is constant and x is variable.   by examining the table the given function is f(x)=2x+1.   Hence option B is correct.   f(x) grows by equal factor over equal interval.

Values for the function f(x) are shown in the table?Which statement proves that f(x) is an exponential function?

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