Question

if f(x) = 2x + 1 and g(x) = −2x − 3, find (f + g)(−1).

Answer 1

hey...(f+g)(x)=f(x)+g(x)

Answer 2

so the answer would be what?

Answer 3

just add it....2x+1+(-2x-3)

Answer 4

-2?

Answer 5

and put x=-1

Answer 6

oh..you get a term without x..so it will be -2 i think