147,531 views
8 votes
8 votes
Solve for f(-2)
PLEASE HELPPPPP

Solve for f(-2) PLEASE HELPPPPP-example-1
User Jeremy Zerr
by
2.1k points

2 Answers

19 votes
19 votes

Answer:

5/9

Explanation:

f(x) = 5 * 3^x

Let x = -2

f(-2) = 5 * 3^-2

We know a^-b = 1/a^b

= 5 * 1/3^2

= 5/9

User Vizzdoom
by
2.5k points
8 votes
8 votes

F(-2) means the value of x is -2

Replace x with -2 and solve:

3^-2 = 1/9

5 x 1/9 = 5/9

Answer: D.5/9

User Syndi
by
3.0k points