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poizon [28]
2 years ago
12

A quadratic function is increasing on the interval x>4 and decreasing on the interval x<4. It has a minimum value of 1 and

passes through the point (2,11). Determine the equation for this parabola
Mathematics
1 answer:
statuscvo [17]2 years ago
5 0
O si la verdad esa la multiplicas por cada forma
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Number lines for 43.586 to the nearest tenths, hundredths , ones
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PLEASE HELP ME THIS.. I REALLY NEED<br> HELP
Colt1911 [192]

9514 1404 393

Answer:

  5 hours

Step-by-step explanation:

A quick way to look at this is to compare the difference in hourly charge to the difference in 0-hour charge.

The first day, the charge is $3 more than $12 per hour.

The second day, the charge is $12 less than $15 per hour.

The difference in 0-hour charges is 3 -(-12) = 15. The difference in per-hour charges is 15 -12 = 3. The ratio of these is ...

  $15/($3/h) = 5 h

The charges are the same after 5 hours.

__

If you write equations for the charges, they will look like ...

  y1 = 15 + 12(x -1)

  y2 = 3 + 15(x -1)

Equating these charges, we have ...

  15 +12(x -1) = 3 + 15(x -1)

  12x +3 = 15x -12 . . . . . . . . eliminate parentheses

  15 = 3x . . . . . . . . . . add 12-12x

  x = 15/3 = 5 . . . . . . divide by 3

You might notice that the math here is very similar to that described in words, above.

The charges are the same after 5 hours.

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3 years ago
PLLZZ HELPP!!<br> Which graph shows a curve with exactly one axis of symmetry?
AleksandrR [38]

Answer:

the first picture shows the curve of a axis of symmetry

4 0
3 years ago
Read 2 more answers
According to the values in the table, do x and y have a proportional relationship?
Masteriza [31]

Answer:

Yes.

Step-by-step explanation:

0.4 x 100 = 40

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0.6 x 100 = 60

1 x 100 = 100

Hope this helped!

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3 years ago
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