Question

If g(x) = x2 + 2, find g(3).

Answer 1

g(3) means x=3
so substitute x for 3 to find g(3)

Answer 2

i don't understand sorry

Answer 3

\[\rm g(\color{Red}{3}) \rightarrow \color{Red}{x=3}\]\[\large\rm g(\color{red}{x})=\color{Red}{x}^2+2\]
replace x with 3

Answer 4

oh ok

Answer 5

These r the answer choices

9
8
11
6

Answer 6

okay...what did you get ??

Answer 7

do you know what i mean by replace
for example when y =6
i can replace \[\rm f(\color{reD}{6})=\color{red}{y} +5 \rightarrow f(\color{ReD}{6})=\color{red}{6}+5\]

Answer 8

before i was confused now i understand lemme do the problem again

Answer 9

i don't know how to do the problem

Answer 10

sorry i have know idea how to do it just leave it i'll figure it out myself

Answer 11

well we can work it out
how would you replace x with 3 ?
substitute x for 3 at least try it

Answer 12

I don't know how to set it up

Answer 13

\(\color{blue}{\text{Originally Posted by}}\) @Nnesha
do you know what i mean by replace
for example when y =6
i can replace \[\rm f(\color{reD}{6})=\color{red}{y} +5 \rightarrow f(\color{ReD}{6})=\color{red}{6}+5\]
\(\color{blue}{\text{End of Quote}}\)
look at this example how did i replace y with 6?
the same way replace x for 3