Question

question
determine the domain on which the following function is increasing.
answer attempt 1 out of 2

Explanation:

Step1: Identify vertex of parabola

The parabola's vertex is at $x=1$.

Step2: Determine increasing interval

For a right-opening (upward) parabola, the function increases when $x$ is greater than the vertex's $x$-value.

Answer:

$x > 1$ or in interval notation: $(1, \infty)$