Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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2. Explain your approach in short (Concept, formula used etc)

Find the domain of the function f(x) = x² x + 4 Option 1 - (-∞, -3) U (-3, 3) U (3,00) O Option 3 9 (-∞, -4) U (-4,00) {x ER \x # 9} O Option 2 OR-set of all reals
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Transcribed Image Text:Find the domain of the function f(x) = x² x + 4 Option 1 - (-∞, -3) U (-3, 3) U (3,00) O Option 3 9 (-∞, -4) U (-4,00) {x ER \x # 9} O Option 2 OR-set of all reals
y is directly proportional to square of x. y is 100 when x is 5. Find y when x is 20. 1600 400 O 25 O2000 1. Explain your approach in short (Concept, formula used etc)
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Transcribed Image Text:y is directly proportional to square of x. y is 100 when x is 5. Find y when x is 20. 1600 400 O 25 O2000 1. Explain your approach in short (Concept, formula used etc)
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