The answer is:
The answer is:
Step-by-step explanation:
Answer:
-3/5
Step-by-step exp:
given in the file. Hope it helps.
Answer:
He spent on 16 minutes
Step-by-step explanation:
Given

per minute

Required
Determine the number of minutes
Let the number of minutes be n
<em>If 1 minute costs $0.5</em>
<em>n minutes would cost $0.5n</em>
The relationship between the given parameters is

Substitute values for each of the above

Solve for 0.5n


Solve for n


<em>He spent on 16 minutes</em>
It’s the point where the parabola crosses its axis of symmetry