### Home > APCALC > Chapter 11 > Lesson 11.2.1 > Problem11-51

11-51.

Multiple Choice: No calculator! Determine which of the values below is the result when four right endpoint rectangles are used to calculate the area under $f\left(x\right) = 2x^{2} - 3x + 1$ over $1 ≤ x ≤ 5$

1. $32 \text{ un}^{2}$

1. $34 \text{ un}^{2}$

1. $50 \text{ un}^{2}$

1. $67 \text{ un}^{2}$

1. $70 \text{ un}^{2}$

$f(2)+f(3)+f(4)+f(5)=?$