Yolanda has been given a list of 5 bands and asked to place a vote her vote must have the name of her favorite her second and her third favorite bands from the list how many different votes are possible

for b its (t) and c its (d)

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answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

f(x)=4

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