Question

I need help with 2 questions

Answer 1

@ikram002p

Answer 2

take 8 ,,,
the avg rate mean the f'(x) find it then apply x1=2 & x1= 5
if x1-x2 >0 means the avg goes down
if x1-x2<0 means tha avg goes up
if x1-x2=0 means the avg is constant

Answer 3

im between C and B

Answer 4

i guss its C but not sure u need to check

Answer 5

what about the 2nd question

Answer 6

qs 9 use the general formula test
(b^2-4ac) and check if its -ve

Answer 7

ok