Answer:
=25 - 3 × 4
= 25-12= 13
...............
g(4) = 13
Step-by-step explanation:
[tex]g(r) = 25 - 3r \\ plug \: r = 4 \\ g(4) = 25 - 3 \times 4\\ g(4) = 25 - 12 \\ \huge \purple { \boxed{ g(4) = 13}}[/tex]