Answer:
Two numbers are 16 and 12
Step-by-step explanation:
Let x and y be the numbers
x + y = 28 (1)
x - y = 4 (2)
y = x - 4 (2')
sub (2') into (1)
x + x - 4 = 28
2x = 32
x = 16
Sub x value into equation (1)
16 + y = 28
y = 28 - 16
y = 12
0ption B is correct
ie:f(x) = x
The answer is 70
Please make it a bit bigger.
I can't see it