Answer: First option.
Step-by-step explanation:
Given the equation , you need to substitute into this equation. Then:
Remember that the Addition property of equality states that:
Then, you can add "x" and 4 to both sides.
Therefore, you get the equation written in function notation, with "x" as the independent variable:
X=49 because 50-1=49 so 49+1=50
Answer:
D. twenty-eight and nine tenths
57.5