How do you find the definite integral of $int 15-5x$ from $[1,3]$ ?

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Answer 1 · 2015-11-16T14:59:19

$10$

$int_1^3 (15-5x)dx=[15x-5x^2/2]_1^3$

$=(45-45/2)-(15-5/2)$

$=10$ .

(In practical terms, this will represent the area under the curve of the function $f(x)=15-5x$ between the values from x=1 to x=3).

How do you find the definite integral of int 15-5xint 15-5x from [1,3][1,3]?