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KIM [24]
2 years ago
7

Given f(x) = 2x2 - 4, what is f(3)

Mathematics
2 answers:
morpeh [17]2 years ago
5 0

Answer:

14

Step-by-step explanation:

just plug in 3 for x

2*3^2-4 = 18-4 = 14

IgorC [24]2 years ago
4 0

Answer:

x=3f/2+1 sorry if thats not right because i don't know if it's a positive or negative there

Step-by-step explanation:

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Exact Form:

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3 years ago
Math 2 Homework Mod 2.1 (Day 2) Absolute Value Functions
Semenov [28]

The descriptions of the transformations are:

  • Vertex: (-6, 0)
  • Stretch factor: 2
  • Domain: set of all real numbers
  • Range: set of real numbers greater than or equal to 0

<h3>How to describe transformations, graph, and state domain & range using any notation?</h3>

The function is given as:

f(x) = -2|x + 6|

The above function is an absolute value function, and an absolute value function is represented as:

f(x) = a|x - h| + k

Where

Vertex = (h, k)

Scale factor = a

So, we have:

a = -2

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There is no restriction to the input values.

So, the domain is the set of all real numbers

The y value in (h, k) = (-6, 0) is 0

i.e.

y = 0

Because the factor is negative (-2), then the vertex is a minimum

So, the range is all set of real numbers greater than or equal to 0

Hence, the descriptions of the transformations are:

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Read more about absolute value function at

brainly.com/question/3381225

#SPJ1

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