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borishaifa [10]
3 years ago
9

Talk the Talk Cellular charges a base rate of $20 per month for unlimited texts plus $.15 per minute of talk time. Write an equa

tion, in function notation, to represent this situation and state a reasonable domain and range.
Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

Answer:

y = 20 + 0.15x

where x = each minute of talk time

y = total cost

domain [0, ∞)

range [20, ∞)

Step-by-step explanation:

Your equation is like that because you always pay $20 per month, no matter how many minutes you used. Then you have 0.15 per minute so use x as a variable placeholder for the actual number of minutes.

domain is starting from 0 because you can't have negative minutes.

range is at least 20 because you pay $20 to use it even if you don't use any minutes. So it can't be less than $20.

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A set has 62 proper subsets how many elements has it for?<br>​
MrRissso [65]

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6

Step-by-step explanation:

Total number of subsets is given as

{2}^{n}

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Total number of subsets are 64

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KengaRu [80]

Answer:

Step-by-step explanation:

i can help

Step 1

4( − 11) = 15 − 4  Solving

Step 2

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3 years ago
Circles M and K are congruent, arc QR is congruent to arc LN and arc OP is congruent to arc VW. Find x.
SCORPION-xisa [38]

Given, arc QR is congruent to arc LN and arc OP is congruent to arc VW.

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