A sequence is defined by f (0) = -4, f (n) = f(n − 1) – 2 for n > 1. What is a definition for the nth term of the sequence? O
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Answer:
y = -20
Step-by-step explanation:
Given that y varies directly with x it means changing x will also cause change in y
Mathematically it can be written as:
y∝x
Removing the proportionality symbol
y = kx
Given y=25 when x=5 Putting the values
Now
We have to find the value of y when x = -4
Putting x=-4
Hence,,
y = -20
so the investigator found the skid marks were 75 feet long hmmm what speed will that be?
nope, the analysis shows that Charlie was going faster than 35 m/h.
now, assuming Charlie was indeed going at 35 m/h, then his skid marks would have been