What is a logical first step in solving the equation? (a) (x+ 4)2 = 81 Simplify the exponential part. Subtract 81 from both sides. Take the positive and negative square roots of both sides. Square both sides. Subtract 4 from both sides. (b) (x + 4)2 + 4= 81 Subtract 4 from both sides. Take the positive and negative square roots of both sides. Subtract 81 from both sides. Subtract 8 from both sides. Square both sides. (c) +x-7 Square both sides. Multiply both sides by x. Factor out x. Subtract 7 from both sides. Take the positive and negative square roots of both sides.

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A: Inverse property

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A: An inner city revitalization zone is a rectangle that is twice as long as it is wide. A diagonal…

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A: GIVEN: 6 - x - x2  if x ≤ 32x - 5         if x > 3

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A: Basic concept of discrete probability distribution are used

Q: Hey can you show the solution in a piece of paper or some sort of visual?

A:

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A: Given that: The table ,

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A: Consider the given functions

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A: Given To describe the Direct-solution method.

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A: The solution given by an Expert is correct

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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.