Which equations show inverse operations of each other? Choose exactly two answers that are correct. 16×1/4 =4 1/4 ÷4 =116
1 answer:
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Answer:
Rule: replace x by x - a where a is the number of units that you want to move right. a must be greater than 0. x - - a would move left.
Step-by-step explanation:
You want f(x) to move 3 units to the right.
That would mean that x would be replaced by x - 3. Just to be sure let's try it.
- Suppose you have f(x) = x^2 + 6x + 5 It is graphed as the red line
- Now suppose you want to move 3 units right.
- It would replaced like f(x - 3) = (x - 3)^2 + 6(x - 3) + 5 which is the blue line
- Notice nothing else is changed. The blue line looks exactly like the red line except that it is shifted 3 units to the right.
Answer: C.
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Explanation:
The x intercept always occurs when y = 0.
Use the unit circle to determine that when
So if , then we have
which shows us that is the location of one of the infinitely many x intercepts for this function.