Question

Evaluate the function rule for the given value.

f(x) = 3x for x = –5



1/243

1/729

–125


–15

Answer 1

To evaluate the function rule f(x) = 3x for x = -5, we substitute -5 in place of x:

f(-5) = 3(-5)
f(-5) = -15

Therefore, the function rule for the given value is -15.