Answer:
1/x - 3
Step-by-step explanation:
The number is x.
The reciprocal of the number is 1/x.
3 is subtracted from the reciprocal of a number.
1/x - 3
Answer:
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<em>Step-by-step explanation:</em>
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<em>The art museum charges a one-time fee of $8.25 plus $2.25 per month.</em>
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<em>So, the cost function for membership for x months in the art museum f(x) = 8.25 + 2.25x .............. (1)</em>
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<em>Again, the science museum charges a one-time fee of $10.75 plus $3.5 per month.</em>
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<em>Hence, the cost function for membership for x months in the science museum g(x) = 10.75 + 3.5x ........... (2)</em>
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<em>So, from both the equations it is clear that for only joining the monthly charges are zero.</em>
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<em>So, f(0) = 8.25 and g(0) = 10.75.</em>
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<em>Therefore, Barrett will save by joining the art museum instead of the science museum by $(10.75 - 8.25) = $2.5. (Answer)</em>
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Step-by-step explanation:
Answer:
x + y < 20
5x + 10y ≥ 100
Step-by-step explanation:
The ski club wants at least $100
Student pays $5
Chaperone pays $10
Maximum number of seats = 20
Assumption:
Assumed number of students = x
Assumed number of chaperone = y
Equation:
Maximum number of seats = 20
⇒ x + y < 20
The club wants $100
⇒ 5x + 10y ≥ 100
