Question

Help! Determine the x-intercept of the function f(x) = 2^x - 4

Answer 1

\[2^{x-4}\] or \[2^x-4\]?

Answer 2

second one

Answer 3

solve \[2^x-4=0\] in your head pretty much

Answer 4

clear or no?

Answer 5

2^x-4=0
2^x=4
2^x=2^2
x=2

Answer 6

yes thank you!