8.
100/ (27-7)
100/(20)
5
9. 4/? =20/45
cross multiply and divide
4*45=180
180/20=
9
100/ (27-7)
100/(20)
5
9. 4/? =20/45
cross multiply and divide
4*45=180
180/20=
9
By what precent does the price need to increase in order to return to its oringnal value of $250,000?
1 answer:
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we can write
thus,
The form
So in
thus the vertex is (14, 4)
The coefficient of the largest term is negative, this means that the parabola opens downwards and the vertex is the highest point.
In the context of the problem, the vertex (14, 4) means that the largest
profit is $4, made for selling 14 sodas.
The x-intercepts are the roots of f(x), that is the values of x for which f(x)=0,
so we need to solve f(x)=0
x-14= 2, or x-14=-2
thus the roots are x=16 and x=12
when selling 12 and 16 sodas, the profit is 0.
Answer:
Part A:
the vertex is (14, 4)
the vertex (14, 4) means that the largest profit is $4, made for selling 14 sodas.
Part B:
the x-intercepts are 12 and 16.
when selling 12 and 16 sodas, the profit is 0.