Find f(4) for f(x)=4x+3 i know i’m asking a lot of these but i stink at math

f(4)=4*4+3=16+3=19

What you must do is to plug in 4 as x into the function to get your answer.

the answer is 19

Step-by-step explanation:

1. You substitute the 4 for the x.

2. Next, your do 4 times 4 to get 16 and add to the 3 to equal 19

3. Finally, f(x)=19

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.