Apartment a rents for $600 per month and includes heat and electric. apartment b rents for $400 per month but heat and electric are not included. electric averages $40 per month. heat costs for last year totaled $800. which apartment is cheaper?

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

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step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.