Concept explainers
To find: a polynomial for the total number of pounds, in millions, of carrots, celery, and broccoli consumed in U.S during a 6- year period.

Answer to Problem 4P
Explanation of Solution
Given information:
The polynomial for the consumption of carrots and celery over a 6- year period:
The polynomial for the consumption of broccoli over a 6- year period:
In each polynomial above defined,
Formula Used:
The word total implies addition, so add two polynomials to find a polynomial that represents the total.
Addition of polynomials involves adding the coefficient of like terms (Like terms means terms having same variable and same exponent)
Calculation:
Since
The best method to add polynomials is to add horizontally.
That is, Group up like terms and then add corresponding coefficients.
Therefore, polynomial for the total number of pounds, in millions, of carrots, celery, and broccoli consumed in the U.S during the 6- year period is
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