Exponential Functions · Exercise 53

Evaluate each function. Round answers to four decimal places, if necessary.

$f\left(x\right)=2{\left(5\right)}^x,$ for $f\left(-3\right)$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Algebra and Trigonometry 2e · §6.1 Exponential Functions · Exercise 53