Question

Given f(x) = 3|x + 5| + 8, what is the vertex of the graph of f(x)?

Answer 1

Vertex: `(x,y)=(-5,8)`

Explanation:

`f(x)` is linear in except at the point where `abs(x+5)=0`

At `x=0`,
`color(white)("XXX")y=f(0)=8`