Question

X varies directly with the square of Y, find the percentage change in X if Y is increased by 10%

Answer 1

Answer:

10%

Step-by-step explanation:

y =k √x

here k is proportional constant

y = k √(1.21x )

y = 1.1k √x

increase = 0.1 k√x

increase% = 0.1k√x/ k√x *100 = 10%

% change = 10%

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Answer 2

Answer:

Answer: 10%. Step-by-step explanation: y =k √x. here k is proportional constant. y = k √(1.21x ). y = 1.1k √x. increase = 0.1 k√x