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Pearson Algebra 1 Common Core, 2011 View details

6. Exponential Functions

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Exercise 2 Page 456

Substitute - 2 for w.

Practice makes perfect

Using the function g(w), we want to evaluate for the given value, g(-2). To do this, we need to substitute -2 for w in each instance of the w-variable.

g(w)=45*3^w

Substitute

w= -2

g( -2)=45 * 3^(-2)

CalcPow

Calculate power

g(-2) = 45 * 1/9

MoveLeftFacToNumOne

a* 1/b= a/b

g(-2) = 45/9

ReduceFrac

a/b=.a /9./.b /9.