Respuesta :
Answer:
9
Step-by-step explanation:
given
f(x) = 7x - 19
f(4) = 7 * 4 - 19
= 28 - 19
= 9
f(4) means you put in 4 for the x.
So f(4)=7(4)-19
Solution 7x4 =28 -19
f(4)=9
So f(4)=7(4)-19
Solution 7x4 =28 -19
f(4)=9