Question

What is the value of a,h and k in y=-[x-1]+4

Answer 1

The general form of an absolute value function with vertex (h,k) is:

$y=a|x-h|+k$

Comparing this equation with the given expression:

$y=-|x-1|+4$

We can see that:

$\begin{gathered} a=-1 \\ h=1 \\ k=4 \end{gathered}$