On October 31, Betty and Paul fill their 300-gallon oil tank for their heater. Beginning in November they use an average of 15 gallons of oil per week.
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a. Complete the table of values.
w (weeks) A (gallons)
0
4
8
12
16
-)
-)
2)
b. Write an equation that expresses the amount of oil, A, in the tank in terms of the number of weeks, w, since
October 31.
A=
Preview
the horizontal axis, and A on the vertical

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?