Question 1 1 pts [in pages 3373-333. a formula is derived for computing the arc-length of a curve. by approximating it with line segments. Read these pages. and choose the correct option for each box. - Lg is the length of the | [Select] V' connecting PF] and Pk . n u The sum 2 (3.92 + (5%)? is _' length of the curve. i=1 I In the proof, we make use of ' [EEIEEt] V' Theorem. Question 2 1 pts 1"!- In the derivation on pages 38?-383. it is noted that the sum Z I4: is, in fact. a Riemann sum of a II=1 certain function. What is that function? 0 31$) 0 x} 0 1+ [f'h'cH2 0 W 0 31) + e}