Hemmelgarn WA-1

# Hemmelgarn WA-1 - Debra Hemmelgarn MAT=129 OL/September...

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Debra Hemmelgarn MAT=129 OL/September Written Assignment 1 If f(x) = 3 x an g(x) = (1/4) x 3 3 4.2 / #8 ( 3) 1 ( ) ( ) 4 1 ( 3) ( ) 4 4 64 x g g x g - - = - = = = 4.2/#14 Graph each function. f(x) = 4 x The y-intercept of f(x) = 4 is 1, and the x-axis is a horizontal asymptote. x f(x) -2 1/16--1 ¼ -1/2 2 0 1 ½ 2 1 4 2 16

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Debra Hemmelgarn MAT= 129 OL/September Written Assignment 1 Plot these points and draw a smooth curve through them. This is an increasing function. The domain is (- , ) and the range is (0, ) and is one to one. 4.2/# 58 32 t + 1 = 16 1-t 2 5(t + 1) = 2 4( 1-t) 5t + 5 = 4 – 4t 9t = -1 t = -1/9 4.2/#66
Debra Hemmelgarn MAT= 129 OL/September Written Assignment 1 4 4 4 1 81 3 3 k k k - - - = = = 4.2/# 74 Find the present value of \$45,000 if interest is 3.6% compounded monthly for 1 yr. 12 (12)(1) (1 ) .036 45,000(1 ) 12 45,000(1 .003) 45.000(1.037) 46,647 \$46,647 tn r A P n A A A PV = + = + = + = = = 4.3/#4 If the statement is in exponential form, write it in an equivalent logarithmic form. If in logarithmic form, write in exponential form. 2 5 = 32 log 2 32=5

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Debra Hemmelgarn MAT=129 OL/September Written Assignment 1 4.3/#14 Solve each logarithmic equation. 3
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## This note was uploaded on 02/13/2011 for the course MAT 129 taught by Professor Unknown during the Winter '10 term at Thomas Edison State.

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Hemmelgarn WA-1 - Debra Hemmelgarn MAT=129 OL/September...

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