HELP PLEASE ASAP!! Which relation is a function?

Answers

Answer 1

Answer:

Answer:

The one on the bottom left.

Step-by-step explanation:

To find out which one is a function, we would use the vertical line test. First you create a vertical line with your finger, pencil, or another object. If there are two dots that pass a vertical line, it would not be a function. Only one dot can cross the vertical line for it to be a function.

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Through a point not on a line, one and only one line can be drawn parallel to the given line. always sometimes never 10. Two coplanar lines that are perpendicular to the same line are parallel. always sometimes never

Answers

The parallel postulate: In a plane there can be drawn through any point A, lying outside of a straight line a, one and only one straight line which does not intersect the line a. This straight line is called the parallel to a through the given point A.

Therefore, first statement is always true.

Coplanar lines are lines that lie on the same plane.

Theorem: If two coplanar lines are perpendicular to the same line, then the two lines are parallel to each other.

Therefore, second statement is always true.

Answer:

1st question: always

2nd question: always

Step-by-step explanation:

1st question

Given a line and a point which is not on that line, there is only one new line parallel to the old line which pass through the point. That is, there are infinity new lines parallel to the old line, but only one of them pass through the given point.

2nd question

If two coplanar lines are parallel and intercept a third line, then the same angle is formed in the interception between each parallel line and the third line. In this case a 90° angle is formed and each parallel line is perpendicular with the third line.

Help please!!! Anything would be appreciated :3

Answers

Assuming it’s a regular polygon :225

a zoo has 19 more species of fish than birds. There are 152 species of fish at the zoo. How many species of birds does the zoo have/ COULD THE EQUATION BE b-19=152.

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The equation would be 152 - 19 = X

X = 152 - 19

X = 133

There are 133 species of birds at the zoo

PLEASE HELP!!! URGENT!!! Graph the piecewise function
f(x) = 3x-5 if x≤−1
-2x+3 if −1 2 if x≥4

Answers

Answer:

Step-by-step explanation:

To graph a piecewise function, we need to graph each piece separately and then put the pieces together.

The first piece of the function is f(x) = 3x-5 if x ≤ -1. This is a linear function with a slope of 3 and a y-intercept of -5. To graph this piece, we can plot two points on the line and then connect them.

For example, we can plot the points (-1, -2) and (-2, -11). Once we have plotted the points, we can connect them with a straight line.

The second piece of the function is f(x) = -2x+3 if -1 < x ≤ 2. This is also a linear function with a slope of -2 and a y-intercept of 3. To graph this piece, we can plot two points on the line and then connect them.For example, we can plot the points (0, 3) and (1, 1). Once we have plotted the points, we can connect them with a straight line.

The third piece of the function is f(x) = 2 if x > 2. This is a constant function, so it will be a horizontal line at y = 2.Once we have graphed each piece of the function, we can put the pieces together to get the graph of the entire function.

I hope this helps!

Farmer Jim keeps 12 hens in every coop. If Farmer Jim has 20 coops, how many hens does he have in all? If every hen lays 9 eggs on Monday, how many eggs will Farmer Jim collect on Monday? Explain your reasoning using words, numbers, or pictures