Answer:

Step-by-step explanation:

Using this rule we have:

Step-by-step explanation:
dilatation with scale factor (k) = 2
Answer:
(x,y) = (.5x,5y)
Step-by-step explanation:
Starts off with 67 people.
Pier two: 67 + 36
103 - 23 = 80
Pier three: 80 + 18
98 - 29 = 69
There will be 69 people on the boat heading for Pier four
Answer:
1. Not a function.
2. This is a function.
3. This is a function.
Step-by-step explanation:
1. 13 maps on to 4 and -4 so not a function.
2 and 3 - these both pass the vertical line test so they are functions.