The efficiency rating, E, of a particular spark plug when
the gap is set at x mm is said to be...
Mathematics, 28.02.2020 19:56 holaadios222lol
The efficiency rating, E, of a particular spark plug when
the gap is set at x mm is said to be 400(x ā x2).
a Sketch the graph of E against x for 0 < x < 1.
b What values of x give a zero efficiency rating?
C What value of x gives the maximum efficiency rating?
d Use the graph, or otherwise, to determine the values of
x between which the efficiency rating is 70 or more.
Answers: 3
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