x square minus 81 over x square multiplied x squared minus nine x over x squared plus x minus ninetyI am getting stuck on the steps of this problem on what x cannot equal

Q: The profit of a company in dollars, is the difference between the company's revenue and cost.  The c...

A: From the given information, it is observed that the revenue is R(x) = 810x – x^2 and the cost is C(x...

Q: Solve the rational inequality and graph the solution set on a real number line. Express the solution...

A:         Given,

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A: The domain of f(x)=1-x is the possible values of x.

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A: (a)o represents the composition of functions and is defined as:Plugging the values,

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A:  To convert 67 base 10 to base three.

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A: We first use the exponent rule of logarithm. Coefficients become exponents.

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A: Given expression is, 

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A: The given inequality is,

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A: An officer is traveling 90 mph. He is chasing Jennifer who which had a 3 min head start before him. ...

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Q: Find the inverse Step by step explanation on how to perform the row operations to find the inverse.

A: First we write using augmented matrix. 

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A: To calculate the complete factor of the function f(x)=2x3-3x2-32x-15 and the one zero of the provide...

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A: First we simplify (1.2)^3.(1.2)^3=1.728

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A: Used long division 

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A: The given system of equations are,

Q: #14

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Q: how to solve x3+x=0

A: We are given an equation as 

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A: We first find the eigenvalues and eigenvectors of A.Start from forming a new matrix by subtracting λ...

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A: Consider the provided function.

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A: Given that, the endpoints of the diameter of a circle is at (1,2) and (–1,–6).

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A: We will use the addition rule of logarithm. 

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.