Algebraic & Function Expressions

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2019 April(B04) Math Question 3

18. Which of the following equations gives a true relationship between the regular enrollment fee, f, and the grade, g, of any child enrolled in the camp?

Equation of Line

2021 December(E23) Math Question 18

2010 December(69A) Math Question 24

2009 June(67C) Math Question 28

2019 April(Z15) Math Question 36

41. The table below gives the weights, rounded to the nearest pound, at birth and at 1 year for 5 boys. A researcher models these weights as a linear function where the weight at 1 year is dependent on the weight at birth. Among the following models, which is best?

2015 April(73G) Math Question 41

51. Which of the following is an equation of OB ?

2021 June(D06) Math Question 51

2013 April(71G) Math Question 60

60. If a publisher charges $15 for the first copy of a book that is ordered and $12 for each additional copy, which of the following expressions represents the cost of y books?

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2019 April(B04) Math Question 3

2021 December(E23) Math Question 18