7-3 Skills Practice. Square Root Functions and Inequalities. Lesson 7-3. Graph each function. State the domain and range of each function.

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1 NAME DATE PERID 7- Skills Practice Square Root Functions and Inequalities Graph each function. State the domain and range of each function Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Graph each inequalit Lesson 7- Chapter 7 Glencoe Algebra

2 NAME DATE PERID 7- Skills Practice nth Roots Use a calculator to approimate each value to three decimal places Simplif () s a 6. m 8 n Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.. 00p q 6. 6w v 8 7. (c) 8. (a ) b Chapter 7 0 Glencoe Algebra

3 NAME DATE PERID 7- Skills Practice perations with Radical Epressions Simplif a b d f 8.s t Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.. g z. ()(). ()(0) ( )(6 ) 9. ( )( ) 0. ( 7)( ). ( 6) Lesson 7- Chapter 7 7 Glencoe Algebra

4 NAME DATE PERID 7-6 Skills Practice Rational Eponents Write each epression in radical form (s ) Write each radical using rational eponents Evaluate each epression () Simplif each epression. 7. c c 8. m 9 m q 0. p. 6. Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc... n n 6 n a 8 b Chapter 7 Glencoe Algebra

5 NAME DATE PERID 7-7 Skills Practice Solving Radical Equations and Inequalities Solve each equation or inequalit j. v w 7. b 8. n 9. r 6 0. p 7 6. k. (d ). (t ). ( 7u) 0. z z 6. g g s a 6. r 0. Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc... r Chapter 7 Glencoe Algebra

6 NAME DATE PERID 9- Skills Practice Eponential Functions Sketch the graph of each function. Then state the function s domain and range.. (). Determine whether each function represents eponential growth or deca.. (6) (.) 0 Write an eponential function whose graph passes through the given points. 7. (0, ) and (, ) 8. (0, ) and (, ) 9. (0, ) and (, 6) 0. (0, ) and (, ). (0, 0.) and (, 0.). (0, 0.) and (,.6) Simplif each epression.. ( ). ( ) Solve each equation or inequalit. Check our solution Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc Chapter 9 8 Glencoe Algebra

7 NAME DATE PERID 9- Skills Practice Logarithms and Logarithmic Functions Write each equation in logarithmic form Write each equation in eponential form.. log 6. log 6 7. log 9 8. log Evaluate each epression. 9. log 0. log 9. log log. log. log 6 6. log log 7 Solve each equation or inequalit. Check our solutions. 7. log 8. log 9. log 0 0. log. log n. log b Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.. log 6 ( ). log ( ). log ( ) log () 6. log 6 ( ) log 6 ( ) Chapter 9 6 Glencoe Algebra

9- NAME DATE PERID Skills Practice Properties of Logarithms Use log.80 and log.9 to approimate the value of each epression.. log. log 7. log. log. log 6. log 7. log 7 8. log 0.

8 9- NAME DATE PERID Skills Practice Properties of Logarithms Use log.80 and log.9 to approimate the value of each epression.. log. log 7. log. log. log 6. log 7. log 7 8. log log 0. log Solve each equation. Check our solutions.. log 0 7 log 0. log 7 log 7 b Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.. log log log 60. log 6 c log 6 8 log log log 8 log 6. log q log log 7 7. log 9 log 9 log 9 w 8. log 8 log 8 log 8 b 9. log 0 log 0 ( ) log 0 0. log log ( ) log. log d log. log 0 log 0 ( ) 0 Lesson 9-. log s log 0. log ( ) log ( ). log (n ) log (n ) 6. log 0 log log log a Chapter 9 Glencoe Algebra

9 NAME DATE PERID 9- Skills Practice Common Logarithms Use a calculator to evaluate each epression to four decimal places.. log 6. log. log.. log 0. Use the formula ph log[h] to find the ph of each substance given its concentration of hdrogen ions.. gastric juices: [H].0 0 mole per liter 6. tomato juice: [H] mole per liter 7. blood: [H] mole per liter 8. toothpaste: [H] mole per liter Solve each equation or inequalit. Round to four decimal places v. 8 p b 06. k 7. 7p m 7 7. r d t Epress each logarithm in terms of common logarithms. Then approimate its value to four decimal places. Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.. log 7. log 66. log 6. log 6 0 Chapter 9 0 Glencoe Algebra

10 NAME DATE PERID 9- Skills Practice Base e and Natural Logarithms Use a calculator to evaluate each epression to four decimal places.. e. e. ln. ln 0.09 Write an equivalent eponential or logarithmic equation.. e 6. e 8 7. ln 8. ln 0.69 Evaluate each epression. 9. e ln 0. eln. ln e.. ln e Copright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Solve each equation or inequalit.. e. e.. e 6. e 8 7. e 0 8. e 0 9. e 0. e 9. ln. ln 8. ln ( ). ln ( ). ln ( ) 6. ln ln Lesson 9- Chapter 9 7 Glencoe Algebra

g ) (x) for each f(x) and g(x). x 2 g(x) = x2-9

g ) (x) for each f(x) and g(x). x 2 g(x) = x2-9 6-1 Find (f + g)(), (f - g)(), (f g)(), and ( f g ) () for each f() and g(). 1. f() = + 1. f() = 8. f() = + 7 + 1 g() = - Practice perations on Functions g() = 1 g() = - 9 For each pair of functions, find