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patriot [66]
3 years ago
14

The step function f(x) is graphed. On a coordinate plane, a step graph has horizontal segments that are each 2 units long. The l

eft end of each segment is a closed circle. The right end of each segment is an open circle. The left-most segment goes from (negative 3, negative 3) to (negative 1, negative 3). Each segment is 2 units higher and 2 units farther to the right than the previous segment. The right-most segment goes from (3, 3) to (5, 3). What is the value of f(−1)?
a.)-3
b.) -1
c.) 0
d.) 1
Mathematics
2 answers:
Sophie [7]3 years ago
4 0

Answer:

b. -1

Step-by-step explanation:

(-3,-3) to (-1,-3)

(-1,-3+2) to (-1+2,-3+2)

(-1,-1) to (1,-1)

Since the left/lower end of the domain is included, f(-1) is -1

miskamm [114]3 years ago
4 0

Answer:

B

Step-by-step explanation:

edge2020

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Under what circumstances does the system of equations Qx+Ry=S and Y=Tx+S have infinitely many solutions?
Anettt [7]
From these -Tx+y=S. If -T=Q/R, then y=-Qx/R+S, so Ry=-Qx+RS, Qx+Ry=RS=S.
If R is not equal to 1, or S is non-zero, the equations are inconsistent, so there would be no solutions.
If R=1 there are an infinite number of solutions given by Qx+y=S, or y=S-Qx or y=S+Tx.
If S=0, Qx+Ry=0 or y=-Qx/R or y=Tx.
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4 years ago
Which system of the inequalities is shown in the graph
jolli1 [7]

Answer:

C

Step-by-step explanation:

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4 years ago
Rearrange to make x the subject of 4(x-3)/a=y
IrinaVladis [17]

Answer: x = a*y + 3

Step-by-step explanation:

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Then cross multiply:

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4x = a*y + 12

Divide both sides by 4 to get the value of x

x = a * y + 12/4

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I hope this helps.

4 0
3 years ago
What number would you use to complete the table so that it is a function?Fill in the red question mark
SSSSS [86.1K]

In order to have a function we can't repeat any value in the x, therefore in order to have a function represented in the table the question mark must be 2

7 0
1 year ago
Answer in yd! need help asap
sweet [91]

Answer:

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Step-by-step explanation:

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