Step 1: evaluate f(x+h) and f(x)
We have


And, of course,

Step 2: evaluate f(x+h)-f(x)

Step 3: evaluate (f(x+h)-f(x))/h

Step 4: evaluate the limit of step 3 as h->0

So, we have

Answer:
c
Step-by-step explanation:
Answer: -3.68
Step-by-step explanation:
-1.15*3.2=
-1.15*3+(-1.15*0.2)=
-3.45+(-0.23)=
-3.45-0.23=-3.68
Answer:
it is a convenience sample
Step-by-step explanation: