Question

Given the function f(x) = 3x + 1, evaluate f(a + 1).

Answer 1

you mean f(x+1) ?

Answer 2

\(\normalsize\color{blue}{ f(x) = 3x + 1\LARGE\color{white}{ \rm │ }}\) and \(\normalsize\color{green}{ f(x+1) = 3(x+1) + 1= ?\LARGE\color{white}{ \rm │ }}\) you tell me

Answer 3

well, f(a+1) would be the exact same thing, BUT with ` a ` instead of ` x ` .

Answer 4

its the same thing as f(x)

Answer 5

well, you are plugging `a+1` EVERYWHERE for x,

Answer 6

yes.

Answer 7

my answers to pick is

3a + 1

3a + 2

3a + 4

Answer 8

\(\normalsize\color{black}{ f(a+1) = 3(a+1) + 1}\)

\(\normalsize\color{black}{ f(a+1) = 3a+3 + 1}\)

\(\normalsize\color{black}{ f(a+1) = ??}\) which option do you pick ?

Answer 9

you have to distribute

Answer 10

you have to add like terms on the right side.

Answer 11

okay