Answer:
19
Step-by-step explanation:
-9b -5 -7b = -309
-16b - 5 = -309
16b = 309 - 5
16b = 304
b = 304 ÷ 16
b = 19
Answer:
whats the question tho
Step-by-step explanation:
Answer:
y''=-1.26
Step-by-step explanation:
We are given that 
We have evaluate the second order derivative of y w.r.t. x when x=2 and y=3.
Differentiate w.r.t x
Then , we get




Again differentiate w.r.t.x
Then , we get


Using value of y'


Substitute x=2 and y=3
Then, we get 

Hence,y''=-1.26