Since both rectangles are similar, the following ratio must be fulfilled:
By multiplying both sides by 14, we get
and by subtracting 9 to both sides, we have
Therefore, the answer is 12.
Which of the following would produce a graph that is the reflection of f(x)= (x−3)2−4 across the x-axis?
2 answers:
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Answer:
- y = 3 | x + 2 | - 5
Step-by-step explanation:
<u>The absolute value function is:</u>
- y = | x |
<u>Step 1. Function is vertically stretched by a factor of 3:</u>
- y = 3 * | x |
<u>Step 2. Shifted two units left:</u>
- y = 3 | x + 2 |
<u>Step 3. Shifted 5 units down:</u>
- y = 3 | x + 2 | - 5
<em>See attached</em>
<em>Steps are </em><em>Black → Blue → Green → Red</em>
