### Home > CALC > Chapter 2 > Lesson 2.1.2 > Problem2-26

2-26.

Let $A(f, 5 ≤ y ≤ 7)$ represent the area between the function and the $y$-axis, between the horizontal lines $y = 5$ and $y = 7$. If $f(x) = 2x + 3$, find $A(f, 5 ≤ y ≤ 7)$

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