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scZoUnD [109]
4 years ago
9

Which equation represents a quadratic function? y = x2 y = 2x y =1/x^2

Mathematics
1 answer:
ehidna [41]4 years ago
3 0

Answer:

  y = x²

Step-by-step explanation:

A quadratic function is a polynomial function that has a variable to the power of 2 as the highest degree term. y = 1/x^2 is not a polynomial. y=2x is a linear function.

  y = x^2 is a quadratic function

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Solve the equation |8y+4|=2|y−1|. <br> Explain.
Radda [10]

\\ \sf\longmapsto |8y+4|=2|y-1|

\\ \sf\longmapsto 8y+4=2y-1

\\ \sf\longmapsto 8y-2y=-1-4

\\ \sf\longmapsto 6y=-5

\\ \sf\longmapsto y=\dfrac{-5}{6}

7 0
3 years ago
Steve is managing a skate park and has been analyzing the attendance data. Steve has found that the number of visitors increases
SashulF [63]

Answer:

Suppose that the equations are:

The number of people increases exponentially as the temperature increases, so we can write this as a simple exponential relation.

N(T) = a0*r^(T)

Also, the number of people that leaves the park as the temperature increases are:

M(T) = a*T + b

So the combination of these equations can say the number of people that are arriving to the park minus the number of people that are leaving, this would be:

N(T) - M(T) = total change in the park population as the temperature changes = C(T)

C(T) = a0*r^(T) - a*T - b

5 0
3 years ago
Read 2 more answers
If u have 325.58 in your checking account and then write a check for 166.73 what is your new balance?
Rasek [7]

Answer:

$158.85

Step-by-step explanation:

$325.58-$166.73=$158.85

5 0
3 years ago
Find the area if the figure, pls write calculations
nataly862011 [7]

Answer:

area = 40.8 cm²

Step-by-step explanation:

The figure consists of a rectangle and a triangle.

area of rectangle = 12 × 2.4 = 28.8 cm²

area of triangle = \frac{1}{2} bh ( b is the base and h the height )

Here b = 2.4 and h = 18 - 12 = 6 , then

area = \frac{1}{2} × 4 × 6 = 2 × 6 = 12 cm²

area of figure = 28.8 + 12 = 40.8 cm²

8 0
3 years ago
The Golden Gate Bridge in San Francisco is 4200 feet long. The Brooklyn Bridge in New York City is 3/5 as long. How long is the
Alex73 [517]

Answer:

2520 ft.

Step-by-step explanation:

Multiplying 4200 by 3/5 will give you 2520.

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3 years ago
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