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Alina [70]
3 years ago
12

Help with this algebra 2 question

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0
The answer is 3. -2i square root of 2
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Of the following sets, which represents a function? (1 point)
yKpoI14uk [10]

Answer: Only B

============================================

Explanation:

For situation A,

  • x is the input and it represents the student's name.
  • y is the output and it represents the colors the student likes.

The pairing (x,y) tells us what a certain student likes in terms of color.

For example, the point (Allen, Red) tells us that Allen likes the color red. We could also have (Allen, Green) telling us he also likes green. Because the input "Allen" maps to more than one output, this means situation A is not a function. A function is only possible if any given input maps to exactly to one output. The input must be in the domain. The domain in this case is the set of all students in the classroom.

In contrast, Situation B is a function because a student will only have one favorite math teacher. I'm interpreting this to mean "number one favorite" and not a situation where a student can select multiple favorites.

7 0
3 years ago
The graph below is a portion of a complete graph. Which graph below is the complete graph assuming it is an even function
blondinia [14]
⭐Hola User_______________

⭐Here is your Answer. ...!!

_______________________

↪Actually welcome to the concept of the Graphs ..

↪Basically the given half graph is a parabolic graph of equation

↪y^2 = 4ax ...

↪thus the 3 graph option is the completion of the graph in the question ..

↪Option d.)

_________________________
7 0
3 years ago
Read 2 more answers
Find the product of the monomial and the polynomial. 4a^2b^3*(9a^4b^2-4a^2+3)
Artemon [7]

Answer:

Step-by-step explanation:

4a² b³ * (9a⁴b² - 4a² + 3) = 4a²b³ * 9a⁴b² - 4a²b³*4a² + 4a²b³*3

                                        = 36a²⁺⁴ b³⁺²  -16a²⁺²b³ + 12a²b³

                                         = 36a⁶b⁵ - 16a⁴b³ + 12a²b³

6 0
3 years ago
6. Find the function with x-intercepts (-3,0) and (5,0), which also goes through the point (1,8)
Yakvenalex [24]

Answer:

f(x) = (-1/2)(x^2 + 8x - 15)

Step-by-step explanation:

This function has two roots:  -3 and 5.  Most likely it is a quadratic (all of which have two roots).

Then f(x) = a(x + 3)(x - 5)

The graph goes through (1. 8):  Therefore, y = 8 when x = 1:

f(1) = a(1 + 3)(1 - 5) = 8, or

        a(4)(-4) = 8, or

            -16a = 8, which leads to a = -1/2.

Thus the quadratic in question is f(x) = (-1/2)(x + 3)(x - 5), or

                                                        f(x) = (-1/2)(x^2 + 8x - 15)

4 0
3 years ago
Can someone please help with this and explain how you the answer, I'll mark you as brainliest
ki77a [65]

Answer:

7?

Step-by-step explanation:

I think...

4 0
3 years ago
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