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Vikentia [17]
3 years ago
9

Directions: Graph each function using a table of Graph each values, then identify its key characteristics.

Mathematics
1 answer:
Tom [10]3 years ago
7 0

Answer:

Step-by-step explanation:

Given function is,

y=(\frac{1}{2})^x

In the given exponential function,

Base of the function = \frac{1}{2}

By the property of an exponential function,

1). If the base is between 0 and 1, function will be a growth function.

2). If the base is greater than 1, function will be a decay function.

Therefore, given function is a decay function.

Input-output table,

x             -2                -1               0                1                 2

y      (\frac{1}{2})^{-2}=4     (\frac{1}{2})^{-1}=2     (\frac{1}{2})^{0}=1   (\frac{1}{2})^1=\frac{1}{2}      (\frac{1}{2})^2=\frac{1}{4}

By plotting these points we can get the graph of the function.

Domain: (-∞, ∞)

Range: (0, ∞)

y-intercept: 1

Asymptote: y = 0

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For the function f(x)=2x^2 +20x-42

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With the values substituted, we get...

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8x-5y=21 simultaneous linear equation<br>2x+9y=-5
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Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

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Subtracting Equation:3 from Equation:1

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