Which equation represents an exponential function which in initial value of 500?

f(x) = 500(2)^x

Step-by-step explanation:

if you go through each equation and substitute zero for 'x' you can determine which one will equal 500:

results of 1st option:  100 x 1  = 100

results of 2nd option:  100 x 0  = 0

results of 3rd option:   500 x 1 = 500

results of 4th option:  500 x 0 = 0

* remember that anything raised to the power of zero equals 1

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