Answer:
B
Step-by-step explanation:
f(x) = 
=> f(x)= 
=> f(x) = 
=> f(x) = 
=> f(x) = 
Answer:
18
Step-by-step explanation:
When dilating a segment by a scale factor, we multiply the original length by the scale factor to find the length.
2*9 = 18
4x - 8 = 3x + 12
x - 8 = 12
x= 20