Well Done!
D: {x ≥ 0}
R: {25, 25, 50, 26, 26, 50, ...}
D: {0, 1, 2, 3,...}
R: {25, 29, 33, 37,...}
D: {0, 1, 2, 3,...}
R: {4, 5, 6, 7,...}
A telephone company charges $25 per month and $0.50 per minute for long distance calls. The monthly cost, y, of long distance calls can be described by the equation y = 0.50x + 25, where x is the number of whole minutes used.
The perimenter of a square can be calculated by multiplying the side length by 4, or using the equation y = 4x, where y is the perimeter and x is the length of the side of the square.
The cost of entering an amusement park is $25 and the rides cost $4 each. The cost of entering the park and riding x rides can be described by the equation y = 4x + 25.
Beatrice had $4 saved on Monday. Each day, Beatrice saved $1 more. The amount of money saved, y, can be described by the equation y = x + 4, where x is the number of days she has saved after Monday.