Question

the number -5/4 lies between:​

Answer 1

Answer:

-1 and - 2

Step-by-step explanation:

As - 1=(-4/4)

And - 2=-8/4

And - 5/4 lies between - 4/4 and - 8/4

So - 5/4 lies between - 1 and - 2.

Done.

Answer 2

Step-by-step explanation:

$\rm{Let \: \: \: f(x) = \dfrac{ax + b}{cx + d} \: . \: \: \: T hen \:, \: \: f \left(f(x) \right) = x \: , \: \forall \: x \in \mathbb{R} \:, \: \: provided \: \: \: that}$

(a) d = - a (b) d = a

(c) a = b = c = d = 1 (d) a = b = 1