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Find the average rate of change of the function from x1 to x2. f(x) = 3x from x1 = 0 to x2 = 5
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Ch. 2 - Functions and Graphs
Blitzer8th EditionCollege AlgebraISBN: 9780136970514
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TOC.tableOfContents
- Ch. P - Fundamental Concepts of Algebra311
- Ch. 1 - Equations and Inequalities398
- Ch. 2 - Functions and Graphs407
- Ch. 3 - Polynomial and Rational Functions306
- Ch. 4 - Exponential and Logarithmic Functions247
- Ch. 5 - Systems of Equations and Inequalities173
- Ch. 6 - Matrices and Determinants143
- Ch. 7 - Conic Sections124
- Ch. 8 - Sequences, Induction, and Probability251
Capitolo 3, Problema 13
Find the distance between each pair of points. If necessary, express answers in simplified radical form and then round to two decimal places. (0, −√3) and (√5, 0)
Guida verificata passo dopo passo1
Identify the coordinates of the two points: Point 1 is \((0, -\sqrt{3})\) and Point 2 is \((\sqrt{5}, 0)\).
Recall the distance formula between two points \((x_1, y_1)\) and \((x_2, y_2)\): \(d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}\).
Substitute the given coordinates into the distance formula: \(d = \sqrt{(\sqrt{5} - 0)^2 + (0 - (-\sqrt{3}))^2}\).
Simplify inside the square root: calculate \((\sqrt{5})^2\) and \((\sqrt{3})^2\), then add the results.
Express the distance in simplified radical form and then approximate the decimal value rounded to two decimal places.
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Distance Formula
The distance formula calculates the length between two points in the coordinate plane. It is derived from the Pythagorean theorem and given by d = √((x2 - x1)² + (y2 - y1)²). This formula helps find the straight-line distance between points (x1, y1) and (x2, y2).
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Solving Quadratic Equations Using The Quadratic Formula
Simplified Radical Form
Simplified radical form means expressing square roots in their simplest form by factoring out perfect squares. For example, √50 can be simplified to 5√2. This form is preferred before rounding to maintain exactness and clarity in answers.
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Rounding to Decimal Places
Rounding involves approximating a number to a specified number of decimal places for simplicity. In this problem, answers are rounded to two decimal places, which means keeping two digits after the decimal point and adjusting the last digit based on the next digit's value.
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