Question

If g(x)= x=2 and h(x) = 4 - X, what is the value of (gºh)(-3)?

Answer 1

The required value of (g°h)(-3) is 5.

Explanation:

Given,

g(x)= x-2 and h(x) = 4 - x

To find (g°h)(-3)

Now,

(g°h)(x) = g(h(x))

= g(4-x)

= (4-x)-2 = 2-x

So,

(g°h)(-3) = 2-(-3) = 5 [ putting x=-3]