149k views
4 votes
Use the function below to find F(-4)


F(x) = 2^x

A. 1/8
B. -16
C. -8
D. 1/16

User TMarshall
by
4.9k points

1 Answer

2 votes

Answer:

D

Explanation:

The question is on negative exponents

Given that;

F(x)=2^x

From the general formulae a^-n =1/a^n

Hence

F(-4)= 2⁻⁴

F(-4)= I/ 2⁴

=1/16

User Spirine
by
4.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.