Question

what is the range of f(x)=(3/4)^x - 4 a.{y|y > -4} b.{y|y>3/4} c.{y|y<- 4} d.{y|y/4}

Answer 1

3/4 *x-4
3/4 x 3/4 x 3/4 x 3/4
3 13/81