Question

find f(2), given f(x)=4x-1

Answer 1

put x=2

Answer 2

\(\normalsize\color{black}{ f(x)=4x-1}\)

For example f(3): \(\normalsize\color{black}{ f(3)=4(3)-1=12-1=11}\)

Answer 3

Can you do the f(2) just the same way ?

Answer 4

btw- actuality is a good word :)

Answer 5

f(-2) = -4(-2) - 1
= 8 - 1
= 7