The correct answer is (B)
An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Given function [tex]^{14}\sum_{n=1}[/tex]n²(n+3)
As, the options given have start the range of summation from n=1.
So, if the range start from n=1 to 14 then the range value from n=1 to 7 should be subtracted from the same function.
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