f
(
x
)
=
3
x
−
7
and
g
(
x
)
=
−
2
x
−
6
. Find
(
f
∘
g
)
(
4
)
.
2 answers
(f ∘ g)(4) = f(g(4)) = f(-2x - 6) = 3(-2x - 6) - 7 = -6x - 21 = -6(4) - 21 = -33
The bot is WRONG!!!!
f(x) = 3x - 7 , g(x) = -2x - 6
f(g(x)) = f(-2x-6) = 3(-2x-6) - 7 = -6x - 25
f(g(4)) = -6(4) - 25 = -49
or
g(4) = -2(4) - 6 = -14
f(-14) = 3(-14) - 7 = -49 , same correct answer as before.
f(x) = 3x - 7 , g(x) = -2x - 6
f(g(x)) = f(-2x-6) = 3(-2x-6) - 7 = -6x - 25
f(g(4)) = -6(4) - 25 = -49
or
g(4) = -2(4) - 6 = -14
f(-14) = 3(-14) - 7 = -49 , same correct answer as before.