An atom of a certain element has 37 protons, 37 electrons, and a mass number of 85. How many neutrons are
1 answer:
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Answer:
B)max/ opens down
Step-by-step explanation:
Parabola equation:
The equation of a parabola has the following format:
If , that is, x² is multiplied by a positive number, the function has a minimum value and the parabola opens up.
If , that is, x² is multiplied by a negative number, the function has a maximum value and the parabola opens down.
In this question:
From the graph, we already see that it opens down and has a max, and analitically, since , this is confirmed. The correct answer is given by option b.
The answer is 9(3+x)
My work is in the attached image
My work is in the attached image