He worked as a carpenter for 12 hrs. and as a blacksmith for 18.
Answer:
2 7/12
Step-by-step explanation:
Simple fraction problem
Step-by-step explanation:
Let
where



so that

Recall that the derivative of the product of functions is

so taking the derivatives of the individual functions, we get



So the derivative of y(x) is given by

or



Answer:
y = -7x
Explanation:
Take two points from table: (-4, 28), (-3, 21)
Find slope:


Now find equation:




