Respuesta :
					                   To find the y-intercept multiply 4 and 2 together, after that you get y=-8x . Divide by x. Your answer is y=-8. 
					                
					                
					             
					                   [tex]\large\begin{array}{I} \mathtt{ y = -4 \cdot 2^x } \end{array}[/tex]
Y intercept is -4.
					                
					                
					             Y intercept is -4.
