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Nana76 [90]
3 years ago
11

Help me with this question

Mathematics
2 answers:
Gelneren [198K]3 years ago
5 0
I believe it’s the first one
stealth61 [152]3 years ago
4 0
C the bank will exchange his new car for a old one
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The table shows the input and output of a function Table(input:3,4,6,11. Output:5,7,11,21) (a) Explain what makes this set of da
Maslowich

Answer:

(a) The data set is a function, since for each input value {3,4,6,11} there is a single output value {5,7,11,21}

(B) A function is a mathematical relationship that associates one or more inputs with a single output value. So that the data set is not a function, there should be - for one or more values ​​of the input - more than one output.

for example, if for the input value {3} there were two outputs {5, -5} then, the data set would not be a function.

The frelation y ^ 2 = x is not a function because:

When x = 1, y = +1 and y = -1.

(c) The set of data provided can be represented by the equation of a line of the form y = mx + b

The slope is:

m=\frac{y_2-y_1}{x_2-x_1}

m =\frac{7-5}{4-3}

m = 2

b = y_1-mx_1

b = 5 - 2*3

b = -1

Then, the function is:

y = 2x-1

You can substitute any of the points shown in the equation and check that equality is satisfied, for example:

(11 , 21)

y = 2 (11) -1

y = 22-1

y = 21. The equation is satisfied. The same goes for the rest of the values.

4 0
3 years ago
What is the value of (4 minus 2) cubed minus 3 times 4?<br> Negative 20
pogonyaev

Answer:

-4

Step-by-step explanation:

(4-2)³ = 8

so 8 - 3 x 4

is equal to -4

4 0
2 years ago
Find the area of the trapezoid with bases 12 cm and 14 cm and height 9 cm
Cerrena [4.2K]

Answer:

117

Step-by-step explanation:

b1+b2÷2×h is the formula.

Just fill in the formula with the numbers you have.

12+14=26

26÷2=13

13×9=117

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2 years ago
Will mark brainliest, answer quick pls !!
Natasha_Volkova [10]

Answer:

X^2 + 10 + 24

Step-by-step explanation:

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630 kilometers for the whole journey
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