Answer:
(a) Rule: Multiply the input (x) by 2 and add 5 to the result of the product
(b) 
Step-by-step explanation:
Given
The attached table
Solving (a): The rule of the table in words
First, we calculate the slope (m)

Using:


So, we have:



The equation is calculated using:

Using:

We have:


Make y the subject


Hence, the rule is:
Multiply the input (x) by 2 and add 5 to the result of the product
(b): The rule, in algebra
As solved in (a), the rule is:

Answer:
its right
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
19 - 5 = 14
Answer:
a is the variable, 3 is the coefficient, the degree is 2
Step-by-step explanation: