Answer: Shows that conjectured is always true
Step-by-step explanation:
Answer:
The company A has the largest percent of increase.
Step-by-step explanation:
The sales of two companies A and B are given as
......... (1) and
......... (2)
Now, for x = 0 to x = 1, the sale value of company A will be given by equation (1) as 260 and 260 × 1.9 = 494.
So, the percentage of increase is
Again, for x = 0 to x = 1, the sale value of company B will be given by equation (2) as 275 and 275 × 0.89 = 244.75.
So, the percentage of decrease is
Therefore, the company A has the largest percent of increase. (Answer)
Answer: 
Step-by-step explanation:
Given
Texting bill is given by 
Spending must be less than 
So, text billing must be less than $40
