If a(x) and b(x) are linear functions with one variable, which of the following expressions produces a quadratic function?
2 answers:
Answer:
Option (a) is correct.
a(x)b(x) = (ab)(x)
To produce a quadratic equation the two linear equation must be multiply.
Step-by-step explanation:
Given : a(x) and b(x) are linear functions with one variable.
We have to choose from the given option the correct expression that will produce a quadratic equation.
Quadratic equation is an equation which is in the form of where
Since given a(x) and b(x) are linear equation in one variables so to get square term we must multiply the two linear equations.
Let a(x)=3x+1
and b(x)= 8x+1
then when we multiply we get,
Thus, To produce a quadratic equation the two linear equation must be multiply.
Thus, a(x)b(x) = (ab)(x) is correct.
Option (a) is correct.
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Answer with explanation:
A x% confidence interval interprets that a person can be x% confident thatthe true mean lies in it.
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i.e.
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I recommend that we can be 90% sure that the true mean collected amount lies in ($190.25, $250.75).
Also, $200 lies in it such that it is more far from $250.75 than $190.25, that means there are large chances of having an average is at least $200 per customer.