Evaluate the function rule for the given value. y = 15 • 3^x for x = - 3

5/9

Step-by-step explanation:

y = 15 • 3^x

Let x = - 3

y = 15 • 3^ (-3)

The negative means the exponent goes to the denominator

y = 15 * 1/3^3

= 15 * 1/27

=15/27

Divide the top and bottom by 3

=5/9