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Vladimir [108]
3 years ago
10

Help me asap plz ..........

Mathematics
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

See below

Step-by-step explanation:

  • <u>Domain</u>: All real numbers
  • <u>Range</u>:  [ - 4, + oo )
  • <u>Max</u>: + oo
  • <u>Min</u>: -4
  • <u>Shape</u>: Parabola
  • <u>Is it a function</u>: Yes, quadratic
  • <u>Continues  or Discrete</u>: Continuous
  • <u>Intervals of increase:</u> [-1, + oo )
  • <u>Intervals of decreasing:</u> (- oo, -1]
  • <u>Line of symmetry</u>: x= -1
  • <u>Endpoints, yes or no</u>: No
  • <u>X-intercepts</u>: (-3,0), (1, 0)
  • <u>Y-intercept:</u> (0, -3)
  • <u>Opens up/down:</u> Up
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Read 2 more answers
N the diagram, and are horizontal lines and is a vertical line segment. If FB : FC = 4 : 3, what are the coordinates of point D?
riadik2000 [5.3K]
<span>Given the diagram, where AB and EF are horizontal lines and CB is a vertical line segment. Given that FB : FC = 4 : 3, From the diagram, the coordinate of A is (-10, -8) and the coordinate of C is (-3. -1). We can also see that the coordinate of B is (-3, -8) (since CB is a vertical line means that B is the same x-value as C and AB is a horizontal line means that B is the same y-value as A) Recall that the coordinate of a point dividing a line segment in the ratio m:n is given by (x1 + m/(m+n) (x2 - x1), y1 + m/(m+n) (y2 - y1)) Thus, since FB : FC = 4 : 3, this means that point F divides the line segment BC in the ratio 4 : 3. Thus, the coordinate of F is given by (-3 + 4/(4+3) (-3 - (-3)), -8 + 4/(4+3) (-1 - (-8))) = (-3 + 4/7 (0), -8 + 4/7 (7)) = (-3, -4). Also, given that FB : FC = 4 : 3, this means that point D divides the line segment AC in the ratio 4 : 3. Thus, the coordinate of D is given by (-10 + 4/(4+3) (-3 - (-10)), -8 + 4/(4+3) (-1 - (-8))) = (-10 + 4/7 (7), -8 + 4/7 (7)) = (-6, -4). Therefore, the coordinates of point D is (-6, -4).</span>
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On Saturday, 150 people at a movie theater purchased popcorn, and 350 people did not purchase popcorn. What percentage of people
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then, multiply that by 100

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your final answer would be 70%

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