15. Find the perimeter of this figure.
r+1
x+3
2x
1-2
HELPP

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.

What could explain what happened when the time was equal to 120 minutes

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)