Question

3
kingkos Group Neophyte
given that f(x) = 2x + 1 and g(x) = x^2 -2.find (f o g) (x + 2).
choices a. 2x^2 - 8x + 5 c. 2x^2 + 8x - 5
b. 2x^2 + 8x +5 d.2x^2 - 8x - 5
pls help for my H.w

Answer 1

\[g(x+2)=(x+2)^2-2=x^2+4x+4-2=x^2+4x+2\]

Answer 2

what letter is the correct answer all are the same just a sign of positive and negative

Answer 3

\[f(g(x+2))==2(x^2+4x+2)+1\]
\[=2x^2+8x+4+1\]
\[=2x^2+8x+5\]

Answer 4

yes! thank you! last 1 sir

Answer 5

actually i think it is b yes?

Answer 6

correct sir thank you

Answer 7

sir i have another question