Answer: C final income
Step-by-step explanation: I might be wrong but im pretty sure that its C.
Good Luck!
According to the Pythagorean theorem:
a² + b² = c²
a = 4
b = 1
c = ?
4² + 1² = c²
c² = 16 + 1
c² = 17
c = √17
5. because I found it. hahaha
The y-intercept is 4 because it is the only number without a variable
Estimation is never an effective way to get the answer. But it's always an effective way to determine whether the answer you calculated is reasonable, or from orbit by way of left field.