A power company calculates a person’s monthly bill from the number of

Students were asked to answer a question at education and to express what is most important for them to succeed. One that response stood out from the rest was practice. Successful people absolutely not born successful; they become successful through hard work and dedication. If you want to obtain your goals, keep this in mind! beneath some question and answer examples that you would possibly utilise to develop your knowledge and gain insight that will guide you to keep up your school studies.


A power company calculates a person’s monthly bill from the number of

kilowatt-hours (kWh), x, used.
The function b(x) = {
0.10 (20 – 400) + 60,
2 < 400 2 > 400
the bill.
How much is the bill for a person who uses 600 kWh in a month?
O A. $80
B. $90
C. $100
O D. $110


Answer: (a)

Step-by-step explanation:


The function is given for the bill as per the kilo-watt hours used

for 600 kWh in a month,  is

Substitute 600 for  in

Therefore, the bill for a person is

They could certainly hopefully assist the student answer the question by making use of the questions and answer examples. Then could have some sharing in a group discussion and also learning with the classmate about the topic, so another student also possess some enlightenment and still keeps up the school learning.

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