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2 years ago

Which of these graphs represents a rate of change of 4?

Mathematics

1 answer:

xenn [34]2 years ago

7 0

Answer:

Third

Step-by-step explanation:

slope of the graph

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Which graph shows the solution to this system of inequalities?<br> y< 1/2 x - 2<br> y≤ - 2x + 4

Alenkasestr [34]

Answer:

The answer is A.

You can graph the two inequaltiy just like you would graph slope intercept from. Just think of the inequality sign as an equal sign. :)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Are these functions??!!

pashok25 [27]

Answer:

Going from left to right:

1.) Yes

2.) No

3.) Yes

4.) No

5.) No

6.) Yes

7.) No

8.) No

9.) Yes

10.) No

11.) Yes

12.) Yes

13.) No

14.) Yes

15.) Yes

16.) No

Step-by-step explanation:

Functions cannot have any repeating x-coordinates.

8 0

3 years ago

Read 2 more answers

Find the exact value

ivann1987 [24]

Answer:

Step-by-step explanation:

$cos~ \theta=\sqrt{1-sin^2 \theta} =\sqrt{1-(\frac{1}{2})^2 } =\frac{\sqrt{3} }{2} \\1+cos~\theta=2cos^2\frac{\theta}{2} \\1+\frac{\sqrt{3}}{2} =2~cos^2 \frac{\theta}{2} \\cos^2\frac{\theta}{2} =\frac{2+\sqrt{3}}{2 \times 2} \\cos \frac{\theta}{2} =\frac{\sqrt{2+\sqrt{3}}}{2} \\1-cos \theta=2 ~sin^2\frac{\theta}{2} \\1-\frac{\sqrt{3}}{2}=2~sin^2 \frac{\theta}{2} \\sin^2 \frac{\theta}{2} =\frac{2-\sqrt{3} }{2 \times 2} \\sin \frac{\theta}{2}=\frac{\sqrt{2-\sqrt{3} } }{2}$

as 0≤θ≤90

so θ/2 is also in 0≤θ≤90

hence sin θ/2 and cos θ/2 are positive.

3 0

2 years ago

What key features do the functions f(x) = 3x and g of x equals the square root of the x minus 3 end root have in common?

Nesterboy [21]

The key features are (a) both f(x) and g(x) include domain values of [3, ∞) and range values of (0, ∞), and both functions are positive for the entire domain.

<h3>How to determine the key features</h3>

The functions are given as:

f(x) = 3x

$g(x) = \sqrt{x -3}$