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n200080 [17]
4 years ago
8

Given f(x) = 5x – 3, find f(2).

Mathematics
1 answer:
harkovskaia [24]4 years ago
8 0

Answer:

f(2) = 7

Step-by-step explanation:

To figure this out you just have to plug in 2 wherever x is in the equation.

f(2) = 5(2) - 3

Multiply 5 by 2

f(2) = 10 - 3

Subtract

f(2) = 7

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Visual domain and range
Mashutka [201]

The domain of a graph of a function is  x ∈ [-8, 9] and the range of a graph of a function will be y ∈ [7, 0]

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a graph of a function shown in the picture.

As we can see in the graph there are two bold dots are shown which represents at these points the function value exist.

At x = -8, y = 7

At x = 9, y = 6

At x = -3, y = 0

The domain of a function is x ∈ [-8, 9]

The range of a function is y ∈ [7, 0]

Thus, the domain of a graph of a function is  x ∈ [-8, 9] and the range of a graph of a function will be y ∈ [7, 0]

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

8 0
2 years ago
First to answer correctly will be marked brainliest 40 points as well
skelet666 [1.2K]

Answer:

see explanation↓

Step-by-step explanation:

(a)

(3x+2)-(x+5)=3x+2-x-5

(3x+2)-(x+5)=2x-3

ANSWER: Linear binomial

(b)

(3x+8)+(4x^{2}-x)=3x+8+4x^{2}-x

(3x+8)+(4x^{2}-x)=4x^{2} +2x+8

ANSWER: Quadratic trinomial

(c)

(x^{2}+7x)-(x^{2}+5)=x^{2}+7x-x^{2}-5

(x^2+7x)-(x^2+5)=7x-5

ANSWER: Linear binomial

(d)

(2x+8)+(3x^2-2)=2x+8+3x^2-2

(2x+8)+(3x^2-2)=3x^2+2x+6

ANSWER: Quadratic trinomial

(e)

(x^2+5x-2)+(8-5x)=x^2+5x-2+8-5x

(x^2+5x-2)+(8-5x)=x^2+6

ANSWER: Quadratic binomial



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2 years ago
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