The Function $f(x)=60 x$ Computes the Number of Minutes In $x$ Hours the Function

The function $f(x) =60 x$ computes the number of minutes in $x$ hours. The function $g(x) =24 x$ computes the number of hours in $x$ days. What is $(f \circ g) (x)$ and what does it compute?

A) $(\mathrm{f} \circ \mathrm{g}) (\mathrm{x}) =1440 \mathrm{x}$ ; it computes the number of days in $x$ minutes.
B) $(f \circ g) (x) =1440 x^{2}$ ; it computes the number of minutes in $x$ days.
C) $(f \circ g) (x) =1440 x$ ; it computes the number of minutes in $x$ days.
D) $(\mathrm{f} \circ \mathrm{g}) (\mathrm{x}) =84 \mathrm{x}$ ; it computes the number of minutes plus the number of days in $\mathrm{x}$ days.