A package of dental floss contains 25m of floss. How many yards of floss are in the package? If a dental hygienist uses about 18
1 answer:
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To be a function, it has to pass the vertical line test, which means a vertical line drawn anywhere in the graph should cut the graph only once, not more.
To be a one-to-one function, it has to pass the vertical line test as well as the horizontal line test, which means that a horizontal line drawn anywhere in the graph should cut the graph only once, not more.
<em>Of course, it passes the vertical line test, so its a function. </em>
<em>Does it pass the horizontal line test? </em><em>NO! </em><em>As shown in the attached picture, the blue line (horizontal line) cuts the graph at 3 places. We therefore eliminate choices A and B. We can eliminate choice C because nowhere is it required a function to pass through the origin for it to be one-to-one. Hence, the answer is D (blue line shows this).</em>
<em>ANSWER: D</em>
Answer:
7/16
Step-by-step explanation:
First, it is good to know that when you divide fractions, you are <em>multiplying it's reciprocal</em>.
<em>6/7's reciprocal is 7/6, since the reciprocal is </em>
3/8 / 6/7 =
<u>3/8 * 7/6</u>
Now that we have that, we can just multiply the two:
3/8 * 7/6 =
21/48 =
<u>7/16</u>
Hope this helped :)