Answer:
D. She can check to see if the rate of change between the first two ordered pairs is the same as the rate of change between the first and last ordered pairs.
Step-by-step explanation:
Find the rate of change between first two ordered pairs and the second two ordered pairs:
1. Points (2,4) and (3,9). Rate of change:

2. Points (3,9) and (4,16). Rate of change:

The rate of change for the linear function must the same for each two points on the graph of the function. In this case, the reate of change differs, so this function is not linear and correct option is D.
It's just wherever the function touches the x axis, so 5 and -1
Answer:
undefined
Step-by-step explanation:
The line on the graph is completely vertical, which is characteristic of an undefined graph.
Answer:
900m
Step-by-step explanation: if one is 300m then do 300m x 3 =900m.
Hoped this help
Convert it then you will fine the weight.