Question

помогитееее !!!!!!!!!!!!!!! подробно

Answer 1

1
s(t)=0,3t-1,t1=2,t2=8
vср=Δs/Δt=[s(t2)-s(t1)]/(t2-t1)=(0,3*8-1-0,3*2+1)/(8-2)=(2,4-0,6)/6=1,8/6=0,3
v(t)=s`(t)=0,3
v(2)=0,3
v(8)=0,3
2
f(x)=5x-6
h→0
f`(x)=lim[5(x+h)-6-(5x-6)]/h=lim(5x+5h-6-5x+6)/h=lim(5h)/h=lim5=5