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VikaD [51]
3 years ago
9

Which ordered pairs represent points on the graph of f(x)=-3 square root over -x ? Check all that apply. (–2, 2) (–1, –1) (0, 0)

(1, –1) (6, –2) (8, –2)

Mathematics
2 answers:
Goryan [66]3 years ago
5 0

Answer:

C, D, F

C: (0,0)

D: (1,-1)

F: (8,-2)

Komok [63]3 years ago
3 0

Answer:

  (-1, -1), (0, 0)

Step-by-step explanation:

Assuming your function is the negative cube root of negative x, the two points listed above are on the curve. (The negatives cancel, so the function reduces to f(x) = ∛x.)

The various points relative to the curve are shown in the attachment.

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1<br> 6 points<br> Solve for x:<br> 3x - 2 = x + 8<br> (Engin+bon.
gizmo_the_mogwai [7]

Answer:

x = 5

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3x - 2 = x + 8

Subtract x from each side

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8 0
3 years ago
Read 2 more answers
The washer in the image has an inner diameter of 1/4 inch. The outer diameter measures 3/4 inch, and the washer is 1/4 inch thic
Talja [164]

Answer:

  0.14 lb . . .  closest choice is 0.11 lb

Step-by-step explanation:

The inside and outside radii are 1/8 in and 3/8 in, respectively. Then the area of the top of the washer is ...

  A = π(R² -r²) = π((3/8)² -(1/8)²) = π(9/64 -1/64) = π/8 . . . square inches

The height of the stack of 5 washers will be 5×(1/4 in) = 5/4 in. So, the volume of material in the stack of washers is ...

  V = Bh = (π/8)(5/4) = 5π/32 . . . cubic inches

The weight of material is the product of volume and density, so is ...

  W = (5π/32 in³)(0.285 lb/in³) ≈ 0.1399 lb ≈ 0.14 lb

_____

<em>Comment on the question</em>

Since this answer does not correspond to any of the offered choices, we suggest you ask your teacher to work this out for you. We suspect they will have difficulty justifying any of the answer choices shown here. (0.11 lb corresponds to 4 washers, not 5.)

5 0
3 years ago
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