exam Maths Puzzle Numerical Ability

#24
Quality control
Over a period of time, the manufacturer of a Carmel-center candy bar found that 3.1% of the bars were rejected for imperfections
(a) If a candy bars are

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exam Other Question

Is (SQRTofX)^2=X an identity (true for all nonnegative values of x)?
Answer:
Explain your answer in this space. 4. If f and g are linear functions with graphs that are perpendicular, show that the slopes of the graphs of f-g and g-f are both -1.