Dear If u wanna graph on number line
for example ..
if the fraction are given .

Yes, both of your answers are correct.
Since Death Valley is below sea level, the hiker increases altitude before stopping at 0 feet.
Percent of increase is given by the formula (amount of change)/(original amount) * 100. Your work is accurate.
Answer:
The answer would be:
B. y=18x+4
Step-by-step explanation:
By using the quadratic equation your answer is y = x^2/4 - x + 5