For the Given Functions F and G, Find the Requested $\mathrm { f } ( \mathrm { x } ) = 5 \mathrm { x } + 10 , \mathrm {~g} ( \mathrm { x } ) = 4 \mathrm { x } - 1 ; \quad$

Multiple Choice

For the given functions f and g, find the requested composite function.
- $\mathrm { f } ( \mathrm { x } ) = 5 \mathrm { x } + 10 , \mathrm {~g} ( \mathrm { x } ) = 4 \mathrm { x } - 1 ; \quad$ Find the function $\mathrm { f } \circ \mathrm { g }$ .

A) $20 x + 15$
B) $20 x + 5$
C) $20 x + 9$
D) $20 x + 39$