MHB Computation based on linear growth

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The company experienced linear growth in its customer base, increasing from 300 customers in 2000 to 1200 customers in 2015. To find the number of customers in 2008, the growth rate can be calculated based on the time frame and total increase. The correct number of customers in 2008 is indeed 780. The calculation involved is algebraic rather than calculus-based. Understanding linear growth is essential for accurate customer projections.
swag312
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In 2000 the company had 300 customers. In 2015, this company already had
1200 customers. How many customers did the company have in 2008 if we know that
the number of customers growing is linear?Just want to make sure, is 780 the correct answer?
 
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swag312 said:
In 2000 the company had 300 customers. In 2015, this company already had
1200 customers. How many customers did the company have in 2008 if we know that
the number of customers growing is linear?Just want to make sure, is 780 the correct answer?

yes ... and this calculation is algebra, not calculus.
 
Thread 'Erroneously finding discrepancy in transpose rule'

Thread 'Erroneously finding discrepancy in transpose rule'

Obviously, there is something elementary I am missing here. To form the transpose of a matrix, one exchanges rows and columns, so the transpose of a scalar, considered as (or isomorphic to) a one-entry matrix, should stay the same, including if the scalar is a complex number. On the other hand, in the isomorphism between the complex plane and the real plane, a complex number a+bi corresponds to a matrix in the real plane; taking the transpose we get which then corresponds to a-bi...
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