Question

Let f(x)= – 2x-1, h(x) = - X+2.
Find (f o h)(-1).

Answer 1

• f(x) = -2x - 1
• h(x) = -x + 2

(f o h)(-1) = ...

= f(h(-1))

= f(-1 + 2)

= -2(-1 + 2) - 1

= 2 - 4 - 1

= -2 - 1

= -3