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ashiana
Questions (1)
Y is directly proportional to the square of x.
Find the percentage increase in value of y when x is doubled
4 answers
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Answers (1)
Y=kx^2 When x is doubled Y=(2x)^2 Therefore Y=4x^2 Percentage increase=(3kx^2)/kx^2 ×100% =300% Is it good?
