Answer:

Step-by-step explanation:
Q) 5 × (4/9) = ?
→ (5 × 4)/9
→ 20/9

2 significant digits should be represented in the product
Answer:
7. 
8. 
Step-by-step explanation:
We are given two function, f(x) and g(x).
We want to find their addition and their subtraction, and we do this combining like terms.
The functions are:


7. Find (f+9) (x)

So

8. Find (f - g) (x)

So
