A tree 5ft grows and average of 8in each year. Write and graph an equation to model the trees height h after x years.

Question

Mathematics

Karma Farmer

22 April, 20:18

A tree 5ft grows and average of 8in each year. Write and graph an equation to model the trees height h after x years.

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Answers (1)

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Kiana Hayes · Answer 1

It is implied in the given that the tree grows linearly. The equation can be expressed as,

h = mx + b

where m and b are the slope and y-intercept. Convert the 8 in first to feet for the units to be uniform. 8 inches equal 0.75 ft. From the given, the final equation would be,

h = (3/4) x + 5