A gardener is planting two types of trees: Type A is 5 feet tall and grows at a rate of 19 inches per year. Type B is 7 feet tal
1 answer:
it will take 8 months for these trees to be same height
Further explanation:
Let x be the number of years then,
Type A is 5 feet tall and grows at a rate of 19 inches per year
The expression for Type A is:
5+19x
Type B is 7 feet tall and grows at a rate of 16 inches per year
The expression for Type B is:
7+16x
Putting both of them equal will give us the time in which both to be same height
Hence, it will take 8 months for these trees to be same height
Keywords: Rate of Change, Linear Equations
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Without any calculations it's evident it can't be neither B (both numbers are even, so they're divisible by 2) nor C (the numbers end in 0 and 5, so they're divisible by 5).
A.
Both numbers have a factor of 3, so they're not relatively prime.
That means it must be D. But, let's check it.
Indeed, those two numbers are relatively prime.
A.
Both numbers have a factor of 3, so they're not relatively prime.
That means it must be D. But, let's check it.
Indeed, those two numbers are relatively prime.
B, the first differences are not the same , that proves it is not linear. The second set of differences are the same this shows it is a quadratic function.
