Answer:
f (3) = 9.
Step-by-step explanation:
Given : Table.
To find : What is f(3)?
Solution : We have given Table with x and f(x) value.
For f(3) , x = 3.
We can clearly form the table for x = 3 the value of f (x) = 9.
Then f (3) = 9
Therefore, f (3) = 9.
15
Subtract.Now, add.Apply absolute rule.= 15
2x+5x+3x=180°
10x=180°
x=180/10
x=18° ans..