Question

Which equation represents an exponential function with an initial value of 500?

f(x) = 100(5)x
f(x) = 100(x)5
f(x) = 500(2)x
f(x) = 500(x)2

Answer 1

in general

\(\large\color{black}{ \displaystyle f(x)=a(b)^x }\)

a - initial value
b - base
(x - the exponent)