Question

Given the function f (x)=2^x.What is the value of f(-3)?​

Answer 1

Answer:

1/8

Step-by-step explanation:

$f(x)=2^x\\\\f(-3)=2^{-3}\\\\f(-3)=\frac{1}{2^3}\\\\\boxed{f(-3)=\frac{1}{8}}$

Hope this helps!

Answer 2

Answer:

f(-3)= -8

Step-by-step explanation:

If f(x)= 2^x and x has been substituted for -3 then it means it's now 2^-3 which is going to give you

= -2 × -2 × -2

= 4 × -2

= -8