Answer:
-3
Step-by-step explanation:
f(x)=-2x+7
f(5)=-2×5+7
=-10+7
=-3
Answer:
x +5
Step-by-step explanation:
5x-2+3x+4+2x+9
5x-2x=3x
3x-3x=x
-2+2=0
0+4=4
4-9 =5
12 2 +16 2 = D2
D2= 144+256
D2= 400
D2= 400
Answer:
A. E={ and is a multiple of 8}
Step-by-step explanation:
Let represent the set of natural numbers. Then we can write;
.
The set of all natural numbers that are multiples of 8 is then written as;
and is a multiple of 8.
E is the set of natural numbers that are multiples of 8 can then be written in set builder notation as;
E={ and is a multiple of 8}
The correct choice is A