8 people because there are 5 people plus Jonas(1) plus his 2 friends so 5+1+2=8
Answer:

Step-by-step explanation:
Hello,
for any real x different from 1

if f(x)=2x
f'(x)=2
if g(x)=-ln(1-x)

So antiderivative of

Is
2x-ln(1-x)
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
14x-24
Step-by-step explanation:
Answer:
15y^2-45
Step-by-step explanation:
5y^2+10y^2-45 = 15y^2-45