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2 years ago

A function is shown below

Mathematics

2 answers:

Scrat [10]2 years ago

6 0

Answer:

Step-by-step explanation:

Put input value instead of the x into equation and calculate the output:

y = -5x - 7

x = -4, then find the value of y:

y = -5(-4) - 7 = 20 - 7 = 13

The output is 13 when the input is -4

Fantom [35]2 years ago

5 0

$\\ \rm\longmapsto y=-5x-7$

$\\ \rm\longmapsto y(-4)$

$\\ \rm\longmapsto -5(-4)-7$

$\\ \rm\longmapsto 20-7$

$\\ \rm\longmapsto 13$

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its X < 1 or x > 3

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2 years ago

A rectangle is 2 meters wide and 6 times as long as it is wide. Find the area and perimeter

Anna [14]

PERIMETER

Answer:

Answer is 28 m

Step-by-step explanation:

Breadth= 2m

Length= 2X6m

= 12m

Perimeter of a rectangle = 2X (Length+ Breadth)

= 2X (2+12)

= 2X14

= 28m

AREA

Answer:

Answer is 24 m

Explanation:

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2 years ago

Solve y y=8x-x^2 y=2x STEP BY STEP SOLUTION PLEASE HELP

Rudik [331]

Answer:

y=12

Step-by-step explanation:

y=2x ,so 2x=8x-x^2

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3 0

2 years ago

M(3,6) is the midpoint of Rs The coordinates of S are (5,9). What are the coordinates of R? O 17, 12) O (4, 7.5) O (6, 12) O (1,

miss Akunina [59]

Answer:

Step-by-step explanation:

(x+5)/2 = 3

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2 years ago

Graph - 9x + 6y = 18 using linear standard form

postnew [5]

Answer:

The graph is attached Below and the plotting is given below.

Step-by-step explanation:

Given:

-9x + 6y = 18

Solution:

To draw a line on a graph the required minimum two points but here we will have three points as point A, point B, and point C.

For point A

Put x = -4 in the given equation we get

-9×-4 + 6y = 18

6y = 18-36

∴ $y=\frac{-18}{3}\\ \\y=-3$

∴ Point A ≡ ( -4, -3 ).

For point B

Put x = -2 in the given equation we get

-9×-2 + 6y = 18

6y = 18 - 18

6y = 0

∴ $y=\frac{0}{3}\\ \\y=0$

∴ Point B ≡ ( -2, 0 ).

For point C

Put x = 0 in the given equation we get

-9×0 + 6y = 18

6y = 18

∴ $y=\frac{18}{3}\\ \\y=3$

∴ Point C ≡ ( 0, 3 ).

Now we have Point A ,B and C join it and you will have Line.

3 0

3 years ago