In one sentence, describe what the following article is about: Oftentimes, it is easiest to determine the range of a function by simply graphing it. Many root functions have a range of (-∞, 0] or [0, +∞) because the vertex of the sideways parabola is on the horizontal, x-axis. In this case, the function encompasses all of the positive y-values if the parabola goes up, or all of the negative y-values if the parabola goes down. Fraction functions will have asymptotes that define the range.  Some root functions will start above or below the x-axis. In this case, the range is determined by the point the root function starts. If the parabola starts at y = -4 and goes up, then the range is [-4, +∞). The easiest way to graph a function is to use a graphing program or a graphing calculator. If you do not have a graphing calculator, you can draw a rough sketch of a graph by plugging x-values into the function and getting the corresponding y-values. Plot these coordinates on the graph to get an idea of the shape of the graph. Once you have graphed the function, you should be able to clearly see the lowest point of the graph. If there is no obvious minimum, know that some functions will continue on to -∞. A fraction function will include all points except those at the asymptote. They often have ranges such as (-∞, 6) U (6, ∞). Again, after graphing, you should be able to identify the maximum point of the function. Some functions will continue on to +∞ and therefore, will not have a maximum. Like the domain, the range is written with the same notation. Use a bracket when the number is included in the domain and use a parenthesis when the domain does not include the number. The letter U indicates a union that connects parts of a domain that may be separated by a gap.  For example, a range of [-2, 10) U (10, 2] includes -2 and 2, but does not include number 10. Always use parentheses if you are a using the infinity symbol, ∞.
Summary: Graph the function. Find the minimum of the function. Determine the maximum of the function. Write the range with proper notation.

While the two of you are watching a movie or sitting at a table and working, run your fingers through her hair. The light head touching/hair messing-with will put her into a near meditative state and she will feel romantically closer to you. Gently holding her face when you kiss her will take your everyday kiss and turn it into a romantic moment for the two of you. Do this as your good-bye kiss in the morning or when she walks in the door from work. A public display of affection (PDA) can be something as regular as a hand hold or as extravagant as a kiss timed to fireworks. Cuddle up with her unexpectedly and let her melt into you. Get some oil and offer her a back massage to help her relax from a stressful day. Even if you’re not able to give her the best massage she’s ever had, she will love that you’re trying to help her out.
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One-sentence summary -- Play with her hair. Cup her face when you kiss her. Unexpectedly show some PDA. Offer her a massage.

Q: Using the slack you’ve created for yourself, begin inching your stronger arm enough to slide your hand and forearm past the elbow of your weaker arm. This may take a bit of brute strength, as even with the added room you’ll be bound quite tightly. Tuck the elbow of your weaker arm tight to your body to make it less of an obstacle for your dominant arm. Once you’ve worked your arm up past your weaker arm, pull your hand in as close to your neck as you can get it. Doing so will allow you to raise your elbow enough to pass the arm behind your head, which will put you into position to loosen your first restraint. Your stronger arm should be folded on top of your weaker arm, almost as though you’re hugging yourself. Lift your dominant arm straight up towards the ceiling. At the same time, tuck your chin and force your head down and forward through the hole. Once you’ve got your arm clear of your head, let it fall in front of your body. You should now be able to move both arms freely.  To envision this movement more clearly, it can be helpful to imagine that you’re undoing a shirt button. Think of your head at the button and your dominant arm as the hem around the buttonhole through which you guide the button. Be careful not to contort yourself too much in this position. One wrong move and you could easily dislocate your shoulder, which you should never do unless you’re an experienced magician with extensive training in joint manipulation techniques.
A: Push your dominant arm up and away from your body. Rest the hand of your dominant arm on your opposite shoulder. Pull your head through the gap between your shoulder and elbow.

Problem: Article: The process involved a brush rapidly spinning to buff away scarred skin, removing darkness while leveling the skin for smoothness. It’s not an invasive procedure and it is a quick fix to removing light surface scars. The procedure exfoliates the scarred skin by blasting tiny crystals at it. Then, as the brush moves across it scrapes off the scar to reveal new skin underneath. It’s very much like dermabrasion, except that it is tougher, removing a thicker layer of skin to ensure scars and other bodily marks are gone for good. Microdermabrasion can also be done at home through kits sold at drugstores or grocery stores. These usually contain a brush and cream you can manually use to scrub scars (and other blemishes) away. For scars that have thickened over time and may be too difficult to sand off or lighten with creams, you can simply cover it with un-scarred skin. By using an instrument that pulses laser light directly on to the scar, a dermatologist or surgeon performs this to break down scar tissue. Once its broken down it is naturally re-absorbed in to the body. The benefit of laser treatments is that it is ideal for almost all skin types; the intensity of the pulses are adjusted to patients’ specific skin tones.
Summary:
Erase a scar with dermabrasion. Replace a scar with new skin underneath with microdermabrasion. Graft skin from elsewhere on the body over top a scar. Laser away scars to guarantee their riddance.