Answer:
D. f(x) = x + 1.
Step-by-step explanation:
f(x) = x + 1 because:
0 = -1+1
1 = 0 + 1
2 = 1 + 1
3 = 2 + 1
Answer:
yeah I think it is A thank me later
Answer:
x = 
Step-by-step explanation:
Given
=
( cross- multiply )
25 × 2x = 5 × 4
50x = 20 ( divide both sides by 50 )
x =
= 
Answer:
1st option
Step-by-step explanation:
Given the 2 equations
2x + 5y = 19 → (1)
y = 3x - 3 → (2)
Substitute y = 3x - 3 into (1)
2x + 5(3x - 3) = 19