Question

subtraction of integers.
(-15)-14
2-(-8)
11-(-11)
(-5)-10
(-9)-(-1)
13-(-2)
12-(-4)
(-8)-(-4)
(-10)-9
7-11
7-3
7-(-15)
(-7)-9
(-4)-(-5)
1-10
9-(-4)
14-9
1-6
(-6)-14 ​

Answer 1

Answer:

(i) f:{1,2,3,4}→{10} with

f={(1,10),(2,10),(3,10),(4,10)}

(ii) g:{5,6,7,8}→{1,2,3,4} with

g={(5,4),(6,3),(7,4),(8,2)}

(iii) h:{2,3,4,5}→{7,9,11,13} with

h={(2,7),(3,9),(4,11),(5,13)}