Question

f(x) = 3x + 6, g(x) = 2x2

Find (fg)(x).

Answer 1

fg(x) means composition.. So according to me, It will be.....
fg(x)=f[g(x)]=f[2x^2]=3(2x^2)+6=12x^2+6 will be the asnwer.... what U got ?

Answer 2

3*2x^2 is 12x^2 ??? great :P

Answer 3

Answer:
f(2x^2)=6x^2+6

Answer 4

ya.6x^2+6

Answer 5

yeah

Answer 6

its that when I solve that 2 has also the power of square..... got it ? :P

Answer 7

these are my inserts tho...

Answer 8

a 2x^2 + 3x + 6

b6x + 12

c 6x^2 + 12x

d6x^3 + 12x^2

Answer 9

its A