Question

Question 4
Given f (20) = 5, find x if f(x) = -3x – 4
-3
-19
O 11
O 12
help

Answer 1

Answer:

f=4 x=3

Step-by-step explanation:

f(20)=5 then f= 20/5=4 if f(x) -3×(-4) then x= 12/f (f=4) then 12/4= 3