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1 answer:
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Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Algebra I</u>
- Terms/Coefficients
- Factoring
<u>Calculus</u>
Discontinuities
- Removable (Holes)
- Jump (Piece-wise functions)
- Infinite (Asymptotes)
Step-by-step explanation:
<u>Step 1: Define</u>
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<u>Step 2: Simplify</u>
- [Frac - Numerator] Factor quadratic:
- [Frac - Denominator] Factor GCF:
- [Frac] Divide/Simplify:
When we divide (x + 2), we would have a <em>removable</em> <em>discontinuity</em>. If we were to graph the original function, we would see at x = -2 there would be a hole in the graph.
Answer:
Step-by-step explanation:
Let's solve the second equation for x
Now let's replace this in the first equation.
Distribute the 5
Individually solve the fractions.
Solve;
Subtract 20 from both sides.
Divide both sides by -7
Now replace the value of y in any of the two equations to find x.
add on both sides.
Multiply by the reciprocal fraction of 3. I suppose you know that 3 is 3/1 hence the inverted fraction would be 1/3