−3 x − 4 + 8 x 3 + 7 x 2 − x 4 -3x-4+8x3+7x2-x4

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

2/3(-6y+9x) expand each expression using the distributive property

Answer! if you don’t mind, can you explain