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Sonbull [250]
2 years ago
5

CAN YOU HELP IN MATH​

Mathematics
1 answer:
atroni [7]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

Domain: set of x values

Range: set of y values

Function: no two x values are the same

Line 1:

Domain: {3, 4, 5}

Range: {1, 2, 3, 4}

Function: no since there are two points with x-coordinate 3

Line 2:

Domain: {-1, -2, 1, 2}

Range: {1, 3}

Function: yes since all x-coordinates are different

Line 3:

Domain: {-2, -1, 0, 1, 2}

Range: {0, 1, 4}

Function: yes since all x-coordinates are different

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ABC is an isosceles triangle: AC = 13cm. What is the length of AB?
sveticcg [70]
  • AB=AC

AC=13cm

\\ \sf\longmapsto AB

\\ \sf\longmapsto AC

\\ \sf\longmapsto 13cm

5 0
2 years ago
What is the slope of the line with equation y=-x
zmey [24]
The slope intercept form is  y=mx+b
in this case                         y=-x
                                           y=(-1)x + 0
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6 0
3 years ago
Help in math plzzddddddddddddddddd
melomori [17]

Answer:

first one: 3 1/3 = 7/3 second: 2 3/4 = 11/4

third one: 3 1/3 + 2 3/4 = 10/3 + 11/4 = 40/12 + 44/12

there fore the answer is: 84/12 or 7

this may help you the first one question only.

3 0
2 years ago
On Sunday, a local hamburger shop sold a combined of 572 hamburger and cheeseburger. The number of cheeseburgers sold was three
igor_vitrenko [27]
Answer: 143 hamburgers and 429 cheese burgers

Explanation:

Call h and c the number of both items.
(h-hamburger and c-cheeseburger)

h + c = 572
c = 3h

Sub the second into the first

h + 3h = 572
4h = 572

Divide both sides by 4
h = 143 hamburgers

Use this back into the second equation
c = 3 • 143 = 429 cheeseburgers

3 0
3 years ago
Consider the function y=x^2+5x-2 . What would happen to the graph if (x -1) was substituted in place of the x?
Ilia_Sergeevich [38]

Answer:

B.

Step-by-step explanation:

f(x - c) shift the function <em>c</em> units to the right.

In this case, if (x - 1) was substituted in place of the x, the graph would shift 1 unit to the right.

If you want to graph the new function and know the graph of the previous one, this relationship avoids you the substitution of (x - 1) into the function and expansion of the expression to obtain a new quadratic formula.

3 0
3 years ago
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