3 years ago

Find the domain of the graphed function.

Mathematics

2 answers:

katrin2010 [14]3 years ago

5 0

Answer:

C) x ≤ 0

Step-by-step explanation:

This graph has values for all x values up to and including x = 0. This means everything less than 0, as well as 0, are included in the domain. This gives us x ≤ 0.

Grace [21]3 years ago

4 0

The answer is C........

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julsineya [31]

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Step-by-step explanation:

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The graph of quadratic function f has zeros of -8 and 4 and a maximum at (-2,18). What is the value of a in the function’s equat

Gennadij [26K]

<h2>Quadratic Function Equations</h2>

To find the equation of a parabola given the vertex and the zeroes, we can use the intercept form equation to help us:

$y=a(x-r)(x-s)$

r and s = intercepts/zeros of the graph

<h2>Solving the Question</h2>

We're given:

Zeros: -8, 4
Maximum: (-2, 18)

$y=a(x-r)(x-s)$

⇒ Plug in the given information:

$y=a(x-(-8))(x-4)\\18=a(-2-(-8))(-2-4)\\18=a(-2+8)(-2-4)\\18=a(6)(-6)\\18=a(-36)\\1=-2a\\\\a=-\dfrac{1}{2}$

<h2>Answer</h2>

$a=-\dfrac{1}{2}$

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Nataly_w [17]

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Step-by-step explanation:

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