Mathematics, 01.12.2019 03:31, anonymousanon
Devora tested two engines. as each engine's rotation got faster, its temperature increased at a constant rate.
the first engine's temperature (in degrees celsius) as a function of its rotation speed (in cycles per second) is given by the following table of values:
the graph of the second engine's temperature (in degrees celsius) as a function of its rotation speed (in cycles per second) is shown below.
the temperature of which engine increased more for each increase of 1 cycle per second?
choose 1
(choice a)
a
the first engine
(choice b)
b
the second engine
(choice c)
c
the temperatures of both engines increased the same
which engine was hotter when it rotated at 20 cycles per second?
choose 1
(choice a)
a
the first engine
(choice b)
b
the second engine
(choice c)
c
both engines were equally hot
Answers: 2
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