if f(x)=-3×+8,find f(5).​

Sagot :

Answer:

[tex]f(5) = 23[/tex]

Step-by-step explanation:

[tex]f(x) = 3x + 8 \\ f(5) = 3(5) + 8 \\ f(5) = 15 + 8 \\ f(5) = 23[/tex]