Question

Can anyone tell me the domain and range for this?

Answer 1

Domain: (-∞, ∞)

Range: (1, ∞)

1) Considering this exponential function y = 4(2)^x+1 we can plot that:

Setting a table:

x|y

0 5

-1 3

1 9

2) So as we can see there's no restriction, undefinition for that function.

Hence, the Domain is

D =(-∞, ∞) Any x value is defined within the Real Set

And for the Range, it is defined for R = (1, ∞)