Answer:
f(- 10) = 74
Step-by-step explanation:
To find f(- 10) , substitute n = - 10 into f(n) , that is
f(- 10) = - 7(- 10) + 4 = 70 + 4 = 74
Answer with Step-by-step explanation:
We have to prove that
is true for all sets A and B
Let
Then or
and or
Hence,
Conversely ,Let
Then x belongs to A and x does not belongs to B then
x belongs to A- B
Or x belongs to A and x belongs to B then x belongs to
Hence,
Therefore,
Answer:
1
Step-by-step explanation:
Answer:
11 months
Step-by-step explanation:
185 - 20 = 165
165 ÷ 15 = 11