Which relation is a function? help me
A.
{(7, 12), (1, –5), (3, –10), (2, –5)}
B.
{(1, 2), (1, 5), (1, –1), (1, 4)}
C.
{(–3, 4), (–2, 5), (0, 9), (0, 12)}
D.
{(8, –1), (2, –1), (3, 8), (2, 5}
Answers
A is the only option where x-coordinates do not repeat. So A is the answer.
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Answers
Line x = 4 is the line of symmetry, so point Q is reflected across it. Point p has an x value of 2 (2 away from the line of symmetry, so point Q's x value has to be 2 away on the other side... 6. The y value is unchanged so your point is
D. (6, 3)
Answers
B. 4
C. -3 is equal to x <-1
D. -1 is equal to x <1
E. 0
F. 1 is equal to x<3
G. -2 is equal to x<5
H. -3 is equal to x<3
I. 3
Answers
The piece-wise function is defined by:
A piece-wise function is a function that has different definitions, based on the input.
In this graph:
- When x is between -3(inclusive, closed circle) and -1(exclusive, open circle), the value is 1, thus, the first definition is:
- When x is between -1(inclusive) and 1(exclusive), the value is 2, thus, the second definition is:
- When x is between 1(inclusive) and 3(exclusive), the value is 3, thus, the third definition is:
A similar problem is given at brainly.com/question/13205719
Final answer:
A piecewise function is defined by multiple sub-functions, each applying to a certain interval of the main function's domain. An example might be ' -3 is equal to x <-1', representing a portion of the function where any x-value less than -1 outputs -3.
Explanation:
Without the piecewise function graph, it's difficult to identify the correct algebraic definition. However, a piecewise function is a function which is defined by multiple sub functions. Each sub function applies to a certain interval of the main function's domain, which is why we see conditions like 'x < -1' following the function.
For instance, if we look at option C ' -3 is equal to x <-1', it suggests there is a piece of the function where any x-value less than -1 will output -3. It is important to note that these piecewise functions are visualized on a graph, often appearing as lines or curves that start or stop at certain points.
Learn more about Piecewise Functions here:
#SPJ11
Answers
Hi
Just replace the unknown number by x
so we have
38+x=180
Subtract 38 from both sides
x+38-38=180-38
x=142
I hope that's help:0
Answers
Answers
Answer:
b = 1/2, -12.5
Step-by-step explanation:
13 = |2b+12|
Case 1:
13 = |2b+12|
13 = 2b + 12
1 = 2b
b = 1/2
Case 2:
13 = |2b+12|
13 = - (2b + 12)
13 = -2b - 12
25 = -2b
b = -12.5
So, the answer is b = 1/2 & -12.5