Answer:
f(-4) = - 19.
Step-by-step explanation:
Given : f(x) = 5x +1 .
To find : find f(-4)
Solution : We have given f(x) = 5x +1 .
For x = -4 .
Plugging the value of x in expression f(x) = 5x +1 .
f(-4) = 5 (-4) + 1 .
f(-4)= - 20+ 1 .
f(-4) = - 19.
Therefore,f(-4) = - 19.
