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Problem
$oirections:$ Determine whether the given is an exponential function, an exponential equation, an exponential inequality or none of these. $1.$ $f\left(x\right)=2x^{3}$ $2$ $f\left(x\right)=2^{x}$ $3.$ $y=e^{x}$ $2^{2}\left(5^{x+1}\right)=500$ $4.$ $5.$ $625\geq 5^{x+8}$