Answer:

Step-by-step explanation:
From the question we are told that:
Function

Generally 1st derivative f'(x) of Fuction f(x) is


Generally 2nd derivative f''(x) of Fuction f(x) is
Where

Therefore



Answer:
The slope --> m = 3
A point from the line --> ( 0 , 23 )
Step-by-step explanation:
To find the slope you put the equation y+2=3(x-7) into Slope-Intercept Form (y=mx+b)
y+2=3(x-7) --> y+2=3x-21 --> y=3x-23
m is the slope and m=3
b is the y-intercept and b is 23
Hope this helps .-.
Answer:
mean is 12
Step-by-step explanation:
The mean is another word for average
Add all the numbers together
(5+4+5+4+42) = 60
Divide by the number of numbers. There are 5
60/5 = 12