Maths-
SAT
Easy
Question
Under the right conditions, giant sequoia trees are the fastest-growing conifer on Earth. In good growing conditions, a giant sequoia free will form a 1-inch growth ring each year, increasing the size of its trunk diameter by 2 inches per year. This relationship is represented in the graph below. A giant sequoia tree can also grow 4 feet vertically every three years.
Trunk Size of Giant Sequoia Tree
Assuming good growing conditions, how many years old is a giant sequoia tree with a trunk diameter of 19 feet? (1 foot= 12 inches)
- 9.5
- 38
- 114
- 494
The correct answer is: 114
1 feet = 12 inches
19 feet = 228 inches
y = 2x
228 = 2x
x = 114
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Under the right conditions, giant sequoia trees are the fastest-growing conifer on Earth. In good growing conditions, a giant sequoia free will form a 1-inch growth ring each year, increasing the size of its trunk diameter by 2 inches per year. This relationship is represented in the graph below. A giant sequoia tree can also grow 4 feet vertically every three years.
Trunk Size of Giant Sequoia Tree
Which of the following equations represents the relationship between the diameter, in inches, of a giant sequoia tree's trunk and that tree's age, in years?
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Trunk Size of Giant Sequoia Tree
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