There are numerous ways you can do this, but take a look at the attachment to see how I did it. I hope it answers your question! :)
A store sells candy at $.50, $1, $1.50, $2, and $3 per kilogram. How many kilograms of each kind of candy does $3 buy?
1 answer:
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Let's compare the given function with the model for a quadratic equation:
Since the value of a is positive, the parabola has its concavity upwards, and the function has a minimum value.
The minimum value can be found calculating the y-coordinate of the vertex:
Therefore the minimum value is -24.