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vovangra [49]
3 years ago
11

Which of the following is a function?

Mathematics
2 answers:
nata0808 [166]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Ipatiy [6.2K]3 years ago
6 0

Answer:

  B. (-2,4), (0,3), (1,6), (-1,2)

Step-by-step explanation:

The list of first numbers for a <em>function</em> is a list of <em>unique</em> numbers.

  A: 1 is repeated

  B: the 4 pairs have 4 different first numbers: {-2, -1, 0, 1}

  C: 1 and 2 are repeated

  D: 1 is repeated

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On a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions. The test is worth a total of 100 p
Readme [11.4K]

Answer:

The test has 8 questions of 2 points, as well as 16 of 4 points and 4 of 5 points.

Step-by-step explanation:

Since, on a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions, the test is worth a total of 100 points and there are twice as many 2-point questions as 5- point questions on the test, to determine how many 2-point questions are on the test, the following calculation must be performed:

18 x 2 + 9 x 5 + 1 x 4 = 36 + 45 + 4 = 85

16 x 2 + 8 x 5 + 4 x 4 = 32 + 40 + 16 = 88

14 x 2 + 7 x 5 + 7 x 4 = 28 + 35 + 28 = 91

12 x 2 + 6 x 5 + 10 x 4 = 24 + 30 + 40 = 94

10 x 2 + 5 x 5 + 13 x 4 = 20 + 25 + 52 = 97

8 x 2 + 4 x 5 + 16 x 4 = 16 + 20 + 64 = 100

Thus, the test has 8 questions of 2 points, as well as 16 of 4 points and 4 of 5 points.

4 0
3 years ago
Determine the factors of 4x2 5x − 6 a(4x − 2)(x 3) b(4x − 3)(x 2) c (4x − 6)(x 1) d(4x − 1)(x 6)
Lelu [443]
4x^2 + 5x - 6 = (4x - 3) (x + 2)

You can do it by using the quadratic function to solve 4x^2 + 5x - 6 = 0; the result will be x = 3/4 and x = -2

Then you have to make (x- 3/4) = 0 and (x +2 ) = 0

When you develop x - 3/4 = 0 you get 4x -3 = 0, which means that 4x - 3 is a factor. The other factor is directly x + 2.

Answer: option b: (4x -3)(x + 2)
8 0
3 years ago
Read 2 more answers
If 3 pounds of apples cost $1.89 how much do 5 pounds cost
Grace [21]

Answer:

$3.15

Step-by-step explanation:

divided by 3 then multiplied by 5

give brainliest please!

5 0
3 years ago
Read 2 more answers
Question 1
wariber [46]

Answer:

Step-by-step explanation:

n 1

<

>

f( – 2)

Question Help: Message instructor

Submit Question

How do we work this? I cannot figure out the path to solve. Th 4x2 + 3x + 1, evaluate f( - 2)

f( – 2)

Question Help: Message instructor

Submit Question

How do we work this? I cannot figure out the path to solve. Th

5 0
3 years ago
At Corner Deli, you can get 6 bagels for $6. How much does it cost per 1 bagel?
snow_lady [41]

Answer:

$1.00 per bagel

Step-by-step explanation:

To find the unit rate, you just have to divide the number of bagels by how much they cost.

In your problem, the number of bagels is 6 and the price is also 6.

Now all you have to do is divide 6 by 6 and the answer to that is 1.

Example: 6 ÷ 6 = 1

4 0
3 years ago
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