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spayn [35]
4 years ago
7

Which of the following is the reciprocal parent function A.f(x)= -x^2 B.F(x)= x+1 C. F(x)=|x| D.F(x)=1/x

Mathematics
2 answers:
Cerrena [4.2K]4 years ago
6 0
The reciprocal parent function would be, F(x)= 1/x
True [87]4 years ago
4 0

Answer: The correct option is D.

Explanation:

The reciprocal function is in the form of rational function and negative exponent form.

The parent equation of reciprocal function is,

f(x)=\frac{1}{x}

It can be written as,

f(x)=x^{-1}

The domain of this function is all real numbers except 0 and range is all real number except zero.

Therefore, the correct option is D.

The function in option A and B are polynomial functions.

The function in option C is a modulus function.

Therefore, the options A,B and C are incorrect.

You might be interested in
Identify the ordered pair that represents the vector from A(1,6) to B(2, -3) and the magnitude of AB-
marissa [1.9K]

Vector & Magnitude is (1,-9) & 9.0854 respectively! Correct option is

D) (1, -9), 182 * 9.0854

<u>Step-by-step explanation:</u>

Here we have , We have to Identify the ordered pair that represents the vector from A(1,6) to B(2, -3) and the magnitude of AB . Let's find out:

Vector that represents from A(1,6) to B(2, -3) is given by :

⇒ AB = (2-1) i + (-3-6)j

⇒ AB = i -9j or ,

⇒ AB = (1,-9)

Now , Magnitude of vector AB is :

⇒ \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

⇒ \sqrt{(2-1)^2+(-3-6)^2}

⇒ \sqrt{(1)^2+(-9)^2}

⇒ \sqrt{82}

⇒ 9.0854

Therefore , Vector & Magnitude is (1,-9) & 9.0854 respectively! Correct option is D) (1, -9), 182 * 9.0854

7 0
3 years ago
3x-2 less than or equal than 7
Vlad1618 [11]
What is x equal to? We would have to find the actual value to compare. No variable.
4 0
3 years ago
Solve: 7 + 5 + 22 × 12 − 7 =
Anna35 [415]

Answer:

269

Step-by-step explanation:

By the order of operations, you first do the multiplication, then you can do the addition and subtraction

7+5+264-7

12+264-7

276-7

269

3 0
3 years ago
Read 2 more answers
Write the equation y= -1/3x -5 in standard form.
melomori [17]

Answer:

Standard form is another way to write slope-intercept form (as opposed to y=mx+b). It is written as Ax+By=C. You can also change slope-intercept form to standard form like this: Y=-3/2x+3. Next, you isolate the y-intercept(in this case it is 3) like this: Add 3/2x to each side of the equation to get this: 3/2x+y=3.

Step-by-step explanation:

Standard form is another way to write slope-intercept form (as opposed to y=mx+b). It is written as Ax+By=C. You can also change slope-intercept form to standard form like this: Y=-3/2x+3. Next, you isolate the y-intercept(in this case it is 3) like this: Add 3/2x to each side of the equation to get this: 3/2x+y=3.

5 0
3 years ago
Can someone please help me I really need help help me thank you
harkovskaia [24]

Answer:

<h2><em><u>A to C = 25 </u></em></h2><h2><em><u>A to B = 13 </u></em></h2><h2><em><u>C to B = 37 </u></em></h2><h2><em><u></u></em></h2>

Step-by-Step Explanation:

<em><u>Perimeter</u></em> = 75

<em><u>Sides:</u></em>

2x + 3

3x + 4

2x - 9

<h2 /><h2><em><u>1. Equal the sides added together to the perimeter</u></em></h2>

75 = 2x + 3 + 3x + 4 + 2x - 9

<h2><em><u>2. Simplify Like terms</u></em></h2>

2x + 3 + 3x + 4 + 2x - 9  = 7x - 2

<h2><em><u>3. Place the equation back together</u></em></h2>

75 = 7x - 2

<h2><em><u>4. Isolate the variables and numbers</u></em></h2>

75 = 7x - 2

+2        +2

77 = 7x

<h2><em><u>5. Simplify the equation</u></em></h2>

77 = 7x

/7     /7

<h2><em><u>11 = x </u></em></h2>

<h2><em><u>6. Substitute the value of x into the side lengths.</u></em></h2>

2x + 3 = 2(11) + 3 = 22 + 3 = <em><u>25</u></em>

3x + 4 = 3(11) + 4 = 33 + 4 = <em><u>37</u></em>

2x - 9 = 2(11) - 9 = 22 - 9 = <em><u>13</u></em>

5 0
3 years ago
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