Find f. f′(x)=x
​(x+1)​,f(1)=8 f(x)= SCALCET9 4.9.065. A particle is moving with the given data. Find the position of the particle, s(t). v(t)=4cos(t)+9sin(t),s(0)=2 s(t)= [-11 Points] SCALCET9 4.9.068. A particle is moving with the given data. Find the position of the particle, s(t). a(t)=7cos(t)−6sin(t),s(0)=0,v(0)=7