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Nina [5.8K]
3 years ago
10

What is the domain of the function graphed below?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0

Answer:

x < 7

Step-by-step explanation:

the domain is the number range or interval of x the function is defined for to generate a y-value.

the graph shows that the y-values continue with x-values to the right up to but not including 7 (the empty dot says "excluding"). and with x- values to the left to negative infinity.

x=-1 is not a problem, because while for the left part of the function it is not included, but for the right part it is.

so, it is fully defined for all x < 7.

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Mel Needs to park his car for eight hours. Spikes parking place charges five dollars per hour for the first three hours and thre
Dima020 [189]

Answer:

  • Spike's Parking
  • $5 less

Step-by-step explanation:

After 3 hours, Spike charges 6 dollars per hour. For 3 hours, the charge is only $5×3 = $15 (which is $3 less than $6×3). So the rate after 3 hours can be modeled by ...

  s(h) = 6h -3

For 8 hours, s(8) = 6·8 -3 = 45 . . . . dollars

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After 4 hours, Main Deck charges 8 dollars per hour. For 4 hours, the charge is only $18 (which is $14 less than $8×4). So the rate after 4 hours can be modeled by ...

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For 8 hours, m(8) = 8·8 -14 = 50 . . . . dollars

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For 8 hours, the $45 charge at Spike's is $5 less than the $50 charge at Main Deck.

6 0
3 years ago
Cot²3x - 3cot3x +2 = 0<br> cotx = t<br> what equation for t
kumpel [21]

Answer:

Step-by-step explanation:

cot²(3x)=y

y²-3y+2=0

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y=1,y=2

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3x=nπ+π/4=(4nπ+π)/4=(4n+1)π/4

x=(4nπ+1)π/12,n is an integer.

cot 3x=2

tan 3x=1/2

3x=tan^{-1}(1/2)≈26.57°+360n

x≈8.86°+120n

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3 years ago
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Answer:

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Step-by-step explanation:

7 0
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Answer:

b

Step-by-step explanation:

b

6 0
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Answer:

Your answer is x= −17/32

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3 years ago
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