Students have a choice between taking a test on paper or on the computer. Mrs. Gazi graphed the relationship between the number
of students taking the test on the computer and the number of test pages she would need to print.
(graph below)
What feature of the graph represents how many pages Mrs. Gazi would need to print if none of the students take the test on the computer?
a) slope
b) x-intercept
c) y-intercept
d) none of the above
(graph below)
What feature of the graph represents how many pages Mrs. Gazi would need to print if none of the students take the test on the computer?
a) slope
b) x-intercept
c) y-intercept
d) none of the above
2 answers:
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Answer:
<h2>See the explanation.</h2>Step-by-step explanation:
a.
The initial length of the candle is 16 inch. It also given that, it burns with a constant rate of 0.8 inch per hour.
After one hour since the candle was lit, the length of the candle will be (16 - 0.8) = 15.2 inch.
After two hour since the candle was lit, the length of the candle will be (15.2 - 0.8) = 14.4 inch. The length of the candle after two hours can also be represented by {16 - 2(0.8)}.
Hence, the length of the candle after t hours when it was lit can be represented by the function, .
at t = 20.
b.
The domain of the function is 0 to 20.
c.
The range is 0 to 16.