$$\text { The equation of a regression line is } y ^ { \prime } = 4.6 + 3.2 x \text {. What is the intercept of this line? }$$

$$\text { The equation of a regression line is } y ^ { \prime } = 4.6 + 3.2 x \text {. What is the intercept of this line? }$$

A) 3.2
B) 0
C) 4.6
D) -4.6