190k views
2 votes
given the function f(x) = 2^x, find the value of f−1(32). (1 point) f−1(32) = 0 f−1(32) = 1 f−1(32) = 5 f−1(32) = 16

User Nemus
by
4.5k points

2 Answers

6 votes

Answer:

f−1(32) = 5

Explanation:

Took the test

User Gabriel Kaffka
by
5.0k points
0 votes

Answer:

5

Explanation:

The inverse of
f(x)=2^x is
g(x)=\log_2(x).


g(32)=\log_2(32)


\log_2(32)=5 since
2^5=32.


g(32)=\log_2(32)=5

Note: In general, the inverse of
f(x)=a^x is
g(x)=\log_a(x).

User Niles Tanner
by
5.6k points