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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

1. Exponential Functions

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Exercise 20 Page 278

Substitute 32 for x.

2

Practice makes perfect

Using the function y, we want to evaluate for the given value, x= 32. To do this, we need to substitute 32 for x in each instance of the x-variable.

y=1/4(4)^x

x= 3/2

y=1/4(4)^(32)

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Evaluate right-hand side

a/b=1/b* a

y=1/4(4)^(12(3))

a^(m* n)=(a^m)^n

y=1/4( 4^(12) )^3

a^(12)=sqrt(a)

y=1/4 ( sqrt(4) )^3

Calculate root

y=1/4(2)^3

Calculate power

y=1/4(8)

MoveRightFacToNumOne

1/b* a = a/b

y=8/4

Calculate quotient

y=2

Subchapter links

Communicate Your Answer p.273

Monitoring Progress p.274-277

Exercises p.278-280