How do you know if a function is differentiable? A piecewise function is differentiable at a point if both of the pieces have derivatives at that point, and the derivatives are equal at that point. In this case, Sal took the derivatives of each piece: first he took the derivative of x^2 at x=3 and
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How do you tell if someone is attracted to you? Physical signs of attraction: Pupils dilate when they look at you. Blushing and flushed skin. Tonal voice changes. Open body language. Leaning closer to you. Mirroring your behavior. Sneaky gestures to enhance their appearance. Increase in body temperature. How do you know if someone is
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When was Veterans Day created? In 1954, Congress passed the bill that President Eisenhower signed proclaiming November 11 as Veterans Day. Raymond Weeks received the Presidential Citizens Medal from President Reagan in November 1982. Weeks’ local parade and ceremonies are now an annual event celebrated nationwide. Who started Veteran’s Day? Veterans Day began under President
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Why does my tailbone hurt when I get up from sitting? Tailbone pain — pain that occurs in or around the bony structure at the bottom of the spine ( coccyx ) — can be caused by trauma to the coccyx during a fall, prolonged sitting on a hard or narrow surface, degenerative joint changes,
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Will there be a fall 2020 TV season? There is no traditional fall schedule for the 2020 -21 broadcast season. The novel coronavirus pandemic has changed has turned the TV industry, like so many others, on its ear. Network executives have had to make new series pickups based almost exclusively on scripts as pilot season
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