Answer:
A
Step-by-step explanation:
Hope it helps!
9/9 = 1 and 8/9 is only 1/9 less than 9/9 which is 1.
Answer: B) 1 8/9 is closer to 1
F(x)=7x+9
f´(x)=7
f´(6)=7
answer: f´(6)=7
f´(x)=Lim x⇒0 (f(x+h)-f(x)) / h
f´(6)=lim x⇒ 0 (7(6+h)+9 -(7*6+9)) / h
=lim x⇒0 ( 42+7h+9-42-9) /h
=lim x⇒0 (7h/h)=7
answer: f´(6)=7