canyonrico05
15.10.2020 •
Mathematics
T-shirts cost $12 each and masks cost $8 each. If a is the number of t-shirts bought and b is the number of masks bought, then the cost for 'a' shirts and 'b' masks is 12a +86.
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Ответ:
Step-by-step explanation:
Given function:
y = -x^3 + ax^2 + bx + cThis is a third degree function with negative leading coefficient.
This is therefore decreasing function and can have one local maximum and one local minimum.
From the given graphs we can see only bottom left one can be a matching one.