Answer:
The answer is B.
Step-by-step explanation:
The y-intercept is clearly a positive one. When we look at the next number it's 4 which means 3 had to be added. That would make it a positive number over another positive number. From 0 to 1 it's only one number so positive 3/1 is 3.
So the answer is y= 3x+1 B
Answer:
no whole number
Step-by-step explanation:
263 is a prime number, so it can be divided only by 1 and 263. So, no whole number will be square root for 263.
Answer:
B
Step-by-step explanation:
It correctly describes it
Answer:
.
Step-by-step explanation:
Let C represent total daily charges in dollars and t represent time in hours.
We have been given that a plumber charges $50 for a service call plus $80 per hour.
The amount charged for t hours would be
.
The total amount charged for t hours would be
.
We are also told that plumber spends no longer than 8 hours a day at any one site, this means that time t have a restriction as:

Therefore, our required cost function would be
.