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iren [92.7K]
3 years ago
8

For each graph below, state wether it represents a function.

Mathematics
1 answer:
Paul [167]3 years ago
8 0

Answers:

Row 1: No, No, No

Row 2: Yes, Yes, Yes

===============================

Explanation:

Use the vertical line test. If it is at all possible to draw a single vertical line through more than one point on the relation curve, then the relation is not a function. This is because a function is only possible when any x input leads to exactly one y output.

So that's why graphs 1,2,3 are not functions, while graphs 4,5,6 are functions.

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the next model of the car will cost 14.4% more than the current model. the current model costs 39,000 how much will the price in
grigory [225]
  • <em>Answer:</em>

<em> $ 44616</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>What will be the price of the next model​ ?</em>

<em>$39000 + $39000×14.4% =</em>

<em>= $39000 + $39000×0.144</em>

<em>= $39000(1 + 0.144)</em>

<em>= $39000×1.144</em>

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<em>Good luck !</em>

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4 years ago
The ratio of students to adults in a community band is 47to53 what percent of the marching band is students
MrRissso [65]

\huge\underline{\overline{\mid{\bold{\red{ANSWER}}\mid}}}

The ratio of students to adults in a community band = 47:53

47+53 = 100

ratio of students = 47

47 \times \frac{100}{100}  = 47\%

Hence, 47 % of the marching band is students.

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3 years ago
F(x)=2x-7, <br> g(x)=X+7<br> ——-<br> 2
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The composite function of f(x) and g(x) is given by:

(f ∘ g)(x) = x.

Since the composite function equals x, it means that f(x) and g(x) are inverses of each other.

<h3>What is the question?</h3>

This problem is incomplete, but researching it on a search engine, it asks for the composite function of f(x) and g(x).

<h3>What is the composite function of f(x) and g(x)?</h3>

The composite function of f(x) and g(x) is given by:

(f ∘ g)(x) = f(g(x)).

For this problem, the functions are given as follows:

  • f(x) = 2x - 7.
  • g(x) = 0.5(x + 7).

Hence the composite function is given by:

(f ∘ g)(x) = f(g(x)) = f(0.5(x + 7)) = 2[0.5(x + 7)] - 7 = x + 7 - 7 = x.

Since the composite function equals x, it means that f(x) and g(x) are inverses of each other.

More can be learned about composite functions at brainly.com/question/13502804

#SPJ1

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