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The height (h metres) and age (a years) of a tree are related by
the following inequality:
h < 4a – 3 for values of a between 1 and 10
Which pair of values satisfy this inequality?
a. h = 2 and a = 1
b. h = 6 and a = 2
c. h = 10 and a = 3
d. h = 20 and a = 6

See Answers (1)

Accepted Answer

h < 4a – 3(2) < 4(1) - 32 < 4 - 32 < 1Not Trueh < 4a – 3(6) < 4(2) - 36 < 8 - 3 6 < 5Not Trueh < 4a – 3(10) < 4(3) - 310 < 12 - 310 < 9Not Trueh < 4a – 3(20) < 4(6) - 320 < 24 - 320 < 21TrueAnswer: (d) h = 20 and a = 6