Answer:
Value of Cos 120 is -½.
Step-by-step explanation:
Answer:
(a)
--- The function
(b)
--- The salary in 5 years
Step-by-step explanation:
Given

Solving (a): Model the function around (1,24100) and (3,36600)
First, we calculate the slope




The function is then calculated as:




Solving (b): Salary in 5 years
Here:

So:



Answer:
f=-x^2/2-2
Step-by-step explanation:
A: Multiply by 12
The 1/2 is already multiplied by the bh, so in order to "undo" that multiplication, you have to do the opposite, which is to divide.