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aleksandr82 [10.1K]
3 years ago
15

Hey could you please help me with this maths question thank you

Mathematics
1 answer:
Greeley [361]3 years ago
6 0
There is this website called calculatorsoup.com its for any math problems you have and it shows the work.
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This is the graph of f(x). What is the value of f(3)?
Paul [167]

Answer:

The value of f(3) is 8 ⇒ D

Step-by-step explanation:

  • In the function f(x) = y, y is the corresponding value of x
  • Ex: If f(a) = b, then the value of y = b at x = a

Let us solve the question

∵ The given figure represents the function f(x)

→ That means every point on the graph represents f(x) = y

∴ f(x) = y

∵ We need to find f(3)

→ That means we need the value of y at x = 3

∴ x = 3

Look at the graph and find the y-coordinate of the point that lies on the curve and has x-coordinate = 3

→ Each small square on the x-axis represents 1 unit, and on the y-axis

   represents 2 units

∵ There is a point on the graph that has x-coordinate = 3

∵ The y-coordinate of this point is 8

∴ The point (3, 8) lies on the graph of f(x)

∴ x = 3 and y = 8

∴ f(3) = 8

∴ The value of f(3) is 8

7 0
3 years ago
What is 3x2.7???????​
yaroslaw [1]

Answer:

8. 1 is the answer.

Step-by-step explanation:

<h3>#Bonjour</h3>
6 0
3 years ago
Which of these is a safe practice when working with horses?
Minchanka [31]

Answer:

i think the awnser is c . if unattended, leave the horse tire up

3 0
3 years ago
Integrate Sec (4x - 1) Tan (4x - 1) Dx ​
Delicious77 [7]

\bf \displaystyle\int~sec(4x-1)tan(4x-1)dx \\\\[-0.35em] ~\dotfill\\\\ sec(4x-1)tan(4x-1)\implies \cfrac{1}{cos(4x-1)}\cdot \cfrac{sin(4x-1)}{cos(4x-1)}\implies \cfrac{sin(4x-1)}{cos^2(4x-1)} \\\\[-0.35em] ~\dotfill\\\\ \displaystyle\int~\cfrac{sin(4x-1)}{cos^2(4x-1)}dx \\\\[-0.35em] ~\dotfill\\\\ u=cos(4x-1)\implies \cfrac{du}{dx}=-sin(4x-1)\cdot 4\implies \cfrac{du}{-4sin(4x-1)}=dx \\\\[-0.35em] ~\dotfill

\bf \displaystyle\int~\cfrac{~~\begin{matrix} sin(4x-1) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{u^2}\cdot \cfrac{du}{-4~~\begin{matrix} sin(4x-1) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies -\cfrac{1}{4}\int\cfrac{1}{u^2}du\implies -\cfrac{1}{4}\int u^{-2}du \\\\\\ -\cfrac{1}{4}\cdot \cfrac{u^{-2+1}}{-1}\implies \cfrac{1}{4}\cdot u^{-1}\implies \cfrac{1}{4u}\implies \cfrac{1}{4cos(4x+1)}+C

5 0
4 years ago
The table shows the number of feathers Patsy the Peacock sold at each of the 8 festivals this year.
Vlada [557]

Answer:

75%

Step-by-step explanation:

It's right

6 0
3 years ago
Read 2 more answers
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