The correct answers are x≠2 and x≠(-2).
Domain restrictions are any points in the domain where the function will not have a value. This basically means that it's a point where x won't work in the function.
For the numerator, any value will work for x. We can have a value of 0 in the numerator, or a positive, negative, or decimal number.
However, the denominator cannot equal 0. This is because a fraction bar represents division, and we cannot divide by 0. The values that make the denominator 0 can be found by:
x²-4=0
Add 4 to both sides:
x²-4+4 = 0+4
x² = 4
Take the square root of both sides:
√x² = √4
x = 2 or x = -2.
Answer:
d + 24 = 55
Step-by-step explanation:
hope this helps have a great day
Answer: don't know sorry
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Answer:
7 ( 2x + 3y - z)
Step-by-step explanation:
To factor this expression, you need to find the GCF, which is 7.
7 ( 2x + 3y - z)
Answer:
Total distance Alicia run in kilometer = 8 Kilometer
Step-by-step explanation:
Given:
Total distance Alicia run = 5 miles
1 mile ≈ 1.6 kilometer
Find:
Total distance Alicia run in kilometer
Computation:
Total distance Alicia run in kilometer = 1.6 × 5
Total distance Alicia run in kilometer = 8 Kilometer