domain and range in context

The amount of money that Li spends on video games depends on how many games he purchases.  If Li has at most $90 to spend on games for his Xbox 360 and the games cost $22.50 each, what is the domain of this function?

• {0 ≤ x ≤ 90}
• {0 ≤ x ≤ 4}
• {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
• {0, 1, 2, 3, 4}

The total cost in dollars to buy uniforms for the players on the volleyball team can be found using the function c = 34.95u + 6.25, where u is the number of uniforms bought.  If there are at least 8 players but not more than 12 players on team, what is the domain of the situation?

• 0 < u ≤ 12
• 0 < c ≤ 425.65
• {8, 9, 10, 11, 12}
• {295.85, 320.80, 355.75, 390.70, 425.65}

Mario has and iTunes gift card worth $20.00. He uses the formula    y=0.99x to determine y, the total cost for x number of songs. What is the domain for the situation?

• All integers between 0 and 20
• All real numbers between 0 and 19.80
• All integers greater than 0
• All integers between 0 and 250

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. The equation: C=2h+15. If Frank has $33 to spend, what is the domain of the situation?

• 0 < x < 9

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

• 15, 17, 19, 21, 23, 25, 27, 29, 31, 33

• 0 < y < 33

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. The equation: C=2h+15. If Frank has $33 to spend, what is the range of the situation?

• 0 < y< 33

• 0<y<33

• 15, 17, 19, 21, 23, 25, 27, 29, 31, 33

• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

In your pocket there is a total of $1.85 consisting of quarters and dimes. If x is the number of quarters and y is the number of dimes, what is the domain

• all real numbers [0, 7]

• {1,3,5,7}

• All real numbers [0, 1.85]

• All integers [0, 7]

In your pocket there is a total of $1.85 consisting of quarters and dimes. If x is the number of quarters and y is the number of dimes, what is the range

• {1, 6, 11, 16}

• {1,3,5,7}

• All real numbers [0, 1.85]

• All integers [0,16]

An object is in the air for a total of 8 seconds and reaches a maximum height of 24ft before landing on the ground. If h(t) represents the height of the object after t seconds, find the domain

• All real numbers [0, 8]

• All integers [0, 8]

• All real numbers [0,24]

• All integers [0, 24]

An object is in the air for a total of 8 seconds and reaches a maximum height of 24ft before landing on the ground. If h(t) represents the height of the object after t seconds, find the range

• All real numbers [0, 8]

• All integers [0, 8]

• All real numbers [0,24]

• All integers [0, 24]

Tickets to a movie cost $5 per person and the theater can hold 200 people. If P(x) represents the Profit made selling x tickets what is the domain?

• All integers [0, 200]

• All real numbers [0, 200]

• All integers [0, 1000]

• All real numbers [0, 1000]