An online music store is offering a promotion. When you spend $30 or more, you receive 3 songs for free. You Buy an album for $1
1 answer:
Answer:
need to spend $18 more in addition to $12
Step-by-step explanation:
Given: According to online music store, if you spend $30 or more, you receive 3 songs for free
To find: How much more money need to be spend in addition to $12 to receive three free songs
Solution:
Let x denotes amount to be spend in addition to $12 to receive three free songs
According to question,
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Answer:
Step-by-step explanation:
From the question we are told that:
Function given
Co-ordinates
(x,y)=[1, 4]
Generally the second differentiation of function is mathematically given by
Therefore critical point
Generally the substitutions of co-ordinate into function is mathematically given by
For 1
For 4
For critical point 3
Therefore the maximum value of f(x) = –x2 + 6x over the interval [1, 4] is given by