Question

If f(x) = x + 2, find f(3).

1

6

5

−1

Answer 1

substitute 3 in for x then add

Answer 2

how do you do that?

Answer 3

f(3)=3+2=5

Answer 4

how do you add??

Answer 5

@hissingfauna I was trying to get them to think

Answer 6

@lexiamee good point, but I think they needed an explanation as to what substitution essentially is :)

Answer 7

okay @hissingfauna