Question

What is the y-intercept of the graph of the equation y=2(4^x) ?

Answer 1

Let x=0,
y=2(4^0)
y=2
Hence,y int is 2.

Answer 2

Answer: 2

Explanation:

To get the y-intercept, we put x= 0

and then solve for y in the equation given

y = 2(4^x)

putting x =0

y = 2(4^0)

according to the rule of indices,any variable raise to the power of zero is 1

so 4^0 = 1

y=2(1)

y =2

Therefore y- intercept is 2