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GalinKa [24]
3 years ago
15

If f(x)=2x-7, then find f(8)​

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0

It should be 9. I hope this helps. If it's not 9 then can u please give me a list of your answers to choose from.

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horsena [70]

Answer:

The second one I believe

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Find the missing side length
o-na [289]

is it Possibly 3 yards?

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3 years ago
Find the exact value of each trigonometric function evaluated at the given angle.
viktelen [127]

Answer:

Step-by-step explanation:

1. A cell is identified by its ........

a. Cell pointer b. cell address c. Box

2. When you measure cones, in which directions you should click on the dots

representing cones.

a. clockwise b. Anticlockwise c. Straight

3. Name the software that can make models of molecules included in

GNU/Linux ?

a. Geogebra b. Kalzium c. Ghemical

4. The abbreviation for Physics Education Technology?

a. PhET b. PHET c. PheT

5. For giving background colour to a slide, click ................. in Slide Menu

a. Character b. Properties c. Paragraph

II. Fill in the blanks (5 x 1 = 5 marks)

6. ............. is the model of pre-designed slides in a presentation software.

7. Name the GNU Linux software that helps to understand the particle nature

of matter.

8. .................. helps you to copy data or formulae to the adjacent cells.

9. What is the name of the tool in GeoGebra used for drawing triangle?

10. To give border lines to the cells in the table select ........... from Format

menu.

P.T.O

III. Match the following (5 x 1 = 5 marks)

Column A Column B

11. PhET a. Microsoft Power Point

12. Kalzium b. Geometrical Shapes

13. Presentation Software c. Calligra Sheets

14. GeoGebra d. Periodic Table

15. Spreadsheet Software e. States of matter

IV. Answer the following questions (5 x 1 = 5 marks)

16. What was the major limitation of Overhead Projector?

17. Which window is to be selected to get information about the elements in

the Kalzium software?

18. Name the website address of PhET Online Simulation?

19. What do you mean by Fill Handle tool in Spreadsheet software?

20. How can you draw triangles and polygons easily, using the Polygon tools?

7 0
2 years ago
A , B, C , D probability
BlackZzzverrR [31]

Answer:

your laptop is nice really

4 0
3 years ago
Which inequality represents all values of x for which the product below is defined
zavuch27 [327]

Answer:

(-∞, -2) ∪ (0, ∞)

Step-by-step explanation:

Multiply together the (7x) and the (x+2), obtaining 7x^2 + 14x.  This is the correct argument (input) to Answer A.

Since the domain of the square root function includes "all real numbers equal to or greater than 0," we set 7x^2 + 14x = to 0.  This factors to the original 7x*(x+2), set equal to 0.  The roots are 0 and -2.  

These two values create three intervals:  (-∞, -2), (-2, 0) and (0, ∞).

Choosing test numbers, one from each interval:  {-5, -1, 1}.

7x^2 + 14x is + at x = -5, - at x = -1, and + at x = 1.

Thus, the domain of this function is  (-∞, -2) ∪ (0, ∞).  In other words, the product shown is defined on  (-∞, -2) ∪ (0, ∞).

5 0
3 years ago
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