V = x/t = 4.5 mil / 3 h = 1.5 mph
Since, v = 1.5 mph (or we can say that v is constant), distance and time vary directly and the constant of variation is 1.5 mph.
2/cos x
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I think it’s -1.69642857143
The answer to your question is c. y=4
OK so the factor of 10 is 1 times 10 and 5 times 2
