Hope this helps...feel free to ask for any help
When x =2, f(x) = 128
When x = 4, f(x) = 8
The changing rate is

This changing rate represents the decrease of the number of contestants as the competition approaches the final.
Correct option is the first option
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−60 contestants per round and it represents the average rate at which the number of contestants changed from the second round to the fourth round
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When the slope of a line is undefined, it means that the line is either vertical or horizontal. If the x intercept is -7, the equation would be
x = -7
Answer:
260 killometers
Step-by-step explanation:
okay this is how i see it
5 km
1 li
52 li
52*5= 260 killometers hope this helps