Just switch ur x's and y's
(5,1), (6,2) , (7,1), (8,4) <== the inverse
Let's simplify step-by-step.
<span><span>2m</span>−<span>(<span>n−<span>(<span>m−<span>2n</span></span>)</span></span>)
</span></span>Distribute the Negative Sign:
<span>=<span><span>2m</span>+<span><span>−1</span><span>(<span>n−<span>(<span>m−<span>2n</span></span>)</span></span>)
</span></span></span></span><span>=<span><span><span><span>2m</span>+<span><span>−1</span>n</span></span>+<span><span>−1</span><span>(<span>−m</span>)</span></span></span>+<span><span>−1</span><span>(<span>2n</span>)
</span></span></span></span><span>=<span><span><span><span><span><span>2m</span>+</span>−n</span>+m</span>+</span>−<span>2n
</span></span></span>Combine Like Terms:
<span>=<span><span><span><span>2m</span>+<span>−n</span></span>+m</span>+<span>−<span>2n
</span></span></span></span><span>=<span><span>(<span><span>2m</span>+m</span>)</span>+<span>(<span><span>−n</span>+<span>−<span>2n</span></span></span>)
</span></span></span><span>=<span><span>3m</span>+<span>−<span>3n
</span></span></span></span>Answer:
<span>=<span><span>3m</span>−<span>3<span>n</span></span></span></span>
Answer:
First and last options are correct answers
Step-by-step explanation:
domain: because number of minutes can not be negative.
range: because 20 is the least possible y- value for 0 minutes.
The answer is 5 I believe, I don't think zero's are counted as significant numbers.
( 2x − 27 ) ( −x + 15 )
= ( 2x + −27 ) ( −x + 15 )
= ( 2x ) ( −x ) + ( 2x ) ( 15 ) + ( −27 ) ( −x ) + ( −27 ) ( 15 )
= −2x^2 + 30x + 27x − 405
= −2x^2 + 57x − 405