I think it is B because it has a continuous line soy it couldn’t be a. It has negative numbers so it couldn’t be D. And it has negative numbers so couldn’t be C
The value of 
Step-by-step explanation:
Given: The function 
Using this formula, we need to find the value of 
Hence, we need to substitute
by
to find the value of 

Multiplying the term
by
, we get,

Adding the constant term,

Thus, the value of
is 
Keiko sent 30 text messages Scott sent 20 text messages chang sent 80
Answer:
28 minutes
Step-by-step explanation:
500 ÷ 18 = 27.77777777777778
Round the 27.7 to 28.