Answer:
6
Step-by-step explanation:
k(x) = 2x - 4 = 0
2x = 4
x = 2
Now replacing it in h(x) as 2
h(x) = 3x
3 × 2 = 6
I think it is 133 students that like Dancing with the stars
Answer:
D
Step-by-step explanation:
I am a wiz
Answer:
The first choice 
Step-by-step explanation:
Inverse functions are when you switch the y and x
btw f(x) is the same as y
y = 2x + 1
becomes
x = 2y + 1
solve it :)
subtract 1 from both sides
x - 1 = 2y
divide 2 from both sides

same as

so ya know it's the first choice
:)