A cardinal number of a set is the number of elemenents it contains. Therefore the cardinal number of A is equal to 5.
Answer:
thanks
Step-by-step explanation:
Answer: Linear; y=-x - 1
Step-by-step explanation: The slope is negative since it’s decreasing. So it’s not the first equation. It’s not a quadratic equation because there is no forming U shape for this data. It’s not a exponential function because the slope is not 3 and a exponential function is in the form y=a(b)^x.
Answer:
-1 2/3
Step-by-step explanation:
3 1/3= 10/3
10/3 - 5 = - 5/3
-5/3 = 1 2/3