A math teacher has $900 to buy new calculators. If each calculator costs $90, how many
1 answer:
You might be interested in
Answer: The domain of the function is:
Interval Notation: (-∞ , -7) ∪ (-7 , 0) ∪ (0 , 7) ∪ (7, ∞)
Set-Builder Notation: { x | x ≠ 0 , 7 , -7 }
All real numbers besides 0, 7, and -7.
Step-by-step explanation:
In order to find the domain of your rational function, we need to simplify it:
Remember, most of the time, the domain of a rational function consists of all real numbers besides zero.
To find the domain, we equal the equations in the denominator to zero.
-->
-->
So all real numbers except for 0, -7, and 7 are in the domain of this rational function.