Step-by-step explanation:
please mark me as brainlest
if a < 0, then the parabola opens down . The vertex is the lowest or highest point (depending on direction) on the graph of a quadratic function. Basically you will find the x value of the vertex first and then just plug that value into the function to get the y or functional value of the vertex. :)
What problems are you talking about?
Answer:hOPE THIS HELPS ^_^
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£2.40 divided by 3 = 80p
Each can is 80p, so 7 cans is £5.60