please mark me brilliant
Answer:
The first two days he will both swim and bike are days 24 and 56.
Step-by-step explanation:
Swim: Days 6,12,18,24,30,36,42,50,56
Bicycle: Days 8,16,24,32,40,48,56,
The vertex is the point
we know that
The equation of the absolute value in vertex form is equal to
where
a is a coefficient
(h,k) is the vertex
In this problem we have
so
---> the vertex represent a maximum
therefore