Exponential Functions · Exercise 1

Find the value of an exponential function.

Evaluate the function $f\left(x\right)={\left(\frac{3}{2}\right)}^x$ for the given values.
ⓐ $f\left(2\right)$
ⓑ $f\left(-2\right)$
ⓒ $f\left(a\right)$

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 1