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3 years ago

10

What restrictions may be necessary to the domain and range of linear equations?

1 answer:

just olya [345]3 years ago

3 0

Answer:

<h3>There may be restrictions on the domain and range. The restrictions partly depend on the type of function. In this topic, all functions will be restricted to real number values. That is, only real numbers can be used in the domain, and only real numbers can be in the range.</h3>

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Three ways to write a division problem

8090 [49]

My three examples would be, 15/3, 15 then the divided by sign 3. 15 over 3 too. Hope this helps!!!

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3 years ago

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Find the equation of a line that is parallel to this line and passes through the point (4,0). Which of the following points are

satela [25.4K]

Answer: A and D

Step-by-step explanation:

To find the line that is parallel to the given line, we must find the slope of the original. Parallel lines NEVER touch or cross. That tells us the slope MUST be the same. To find the slope, we use the formula $y=\frac{y_2-y_1}{x_2-x_1}$ .

$y=\frac{4-0}{0-(-1)} =\frac{4}{1} =4$

With the slope, we can form an equation for the line.

y=4x+b [plug in given point]

0=4(4)+b [multiply]

0=16+b [subtract both sides by 16]

b=-16

Now that we have the y-intercept, we can find the equation.

y=4x-16

After plugging in each point into the equation, we know that A and D are correct points on the line.

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3 years ago

3 sin^{2} x +cos 2x= (5/4)<br>answer in radians

Vera_Pavlovna [14]

Answer:

I believe it's 0.540717

Step-by-step explanation:

3(sin(2))x+(cos(2))(x)=5/4

Simplify: 2.311745x=5/4

Divide: 2.311745x/2.311735=5/4/2.311745

x=0.540717

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3 years ago

Let f(x) = 3x + 2 and g(x) =x - 3. Find f(x) - g(x).

Arturiano [62]

<span>2x + 5 is your answer </span>

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3 years ago

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Ginny’s favorite cookie recipe requires 1 1/2 cups of sugar to make 24 cookies. How much sugar does Ginny need to make 36 of the

Delicious77 [7]

Ginny needs $2\frac{1}{4}$ cups of sugar to make 36 cookies.

Step-by-step explanation:

Given,

Sugar cups required for 24 cookies = $1\frac{1}{2}=\frac{3}{2}\ cups$

Ratio of sugar cups to cookies = $\frac{3}{2}:24$

Let,

x be the number of cups needed for 36 cookies.

Ratio of sugar cups to cookies = $x:36\\$

Using proportion;

Ratio of sugar cups to cookies :: Ratio of sugar cups to cookies

$\frac{3}{2}:24::x:36$

Product of mean = Product of extreme

$24*x=\frac{3}{2}*36\\24x=54$

Dividing both sides by 24

$\frac{24x}{24}=\frac{54}{24}\\x=\frac{9}{4}\\x=2\frac{1}{4}$

Ginny needs $2\frac{1}{4}$ cups of sugar to make 36 cookies.

Keywords: fraction, proportion

Learn more about fractions at:

#LearnwithBrainly

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3 years ago