Answer:
To do this, you imagine a vertical (up and down) line moving across your graph from left to right. It should only be touching the line at one point at a time. If it is touching more than one point on the line at a time, the line is not a valid function. The first line and its inverse both pass the test.
Step-by-step explanation:
If you change 3^x to 3^(x+4) you get
Evaluate for <span>x=3</span><span><span>(<span>33</span>)</span><span>(<span>3+4</span>)</span></span><span><span>(<span>33</span>)</span><span>(<span>3+4</span>)</span></span><span>=<span>189
</span></span>Evaluate for <span>x=4</span><span><span>(<span>34</span>)</span><span>(<span>4+4</span>)</span></span><span><span>(<span>34</span>)</span><span>(<span>4+4</span>)</span></span><span>=<span>648
</span></span>Evaluate for <span>x=x</span><span><span>(<span>3x</span>)</span><span>(<span>x+4</span>)</span></span><span><span>(<span>3x</span>)</span><span>(<span>x+4</span><span>)
</span></span></span>Evaluate for <span>x=<span>3x</span></span><span><span>(<span>3<span>3x</span></span>)</span><span>(<span><span>3x</span>+4</span>)</span></span><span><span>(<span>3<span>3x</span></span>)</span><span>(<span><span>3x</span>+4</span><span>)
</span></span></span>Evaluate for <span>x=<span>x+4</span></span><span><span>(<span>3<span>x+4</span></span>)</span><span>(<span><span>x+4</span>+4</span>)</span></span><span><span>(<span>3<span>x+4</span></span>)</span><span>(<span><span>x+4</span>+4</span><span>)
i did everything and idk wat u mean still .-. srry</span></span></span>
If he rounded 5 to 5, 2 to 2 and 3 to 3 he did not estimate low or high.
Answer: -y=7
Explanation:
Think of your problem as subtraction:
2x-3y+15
-2x+3y=-1
(x - 12) (x - 4) is the answer