Question

Evaluate the function rule for the given value.
f(x) = 3^x for x = –5

a.1/243

b. –125

c. 1/729

d. –15

Answer 1

Put x = -5 in function..

Answer 2

\[f(-5) = 3^{-5} =??\]

Answer 3

And use:

\[a^{-b} = \frac{1}{a^b}\]

a = 3 and b = 5 here..

Answer 4

given f(x)=3^x
so,f(-5)=3^-5
=1/3^5
=1/243

Answer 5

thank you

Answer 6

welcome =)