Answer:
5
Step-by-step explanation:
The number of elements in set A is 5.
Answer:
cndjxnn
Step-by-step explanation:
vncnfxjdncnnxxjjxnxxnjxxjdnxnxjxj, x
196 I think hope this helps
F(-5) = -5^2 - 2*(-5) - 7 = 25 - (-10) - 7 = 25 + 10 - 7 = 25 + 3 = 28
