the professor is decorating his home and wants to buy some plants. he is interested in three types of plants costing $7, $10, an
d $13. his budget is $150 and wants to buy 15 plants. translate the information into a system of two linear equations in three variables. find all solutions of the system. specify at least three of his options.
<em><u>Explanation: To find the maximum, we must find where the graph shifts from increasing to decreasing. To find out the rate at which the graph shifts from increasing to decreasing, we look at the second derivative and see when the value changes from positive to </u></em><em><u>negative</u></em>
The best and most correct answer among the choices provided by the question is the first choice , 10 d + 5 n. Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
