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McGraw Hill Glencoe Algebra 2, 2012

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McGraw Hill Glencoe Algebra 2, 2012 View details

2. Solving Systems of Inequalities by Graphing

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Exercise 67 Page 152

Substitute - 0.25 for x to calculate the function's value.

4.5

Practice makes perfect

Using the function f(x), we want to evaluate for the given value, f( - 0.25). To do this, we need to substitute - 0.25 for x.

f(x)=2x+5

x= - 0.25

f( - 0.25)=2( - 0.25)+5

a(- b)=- a * b

f(- 0.25)=- 2* 0.25+5

Multiply

f(- 0.25)=- 0.5+5

Add terms

f(- 0.25)=4.5

Subchapter links

Check Your Understanding p.149

Practice and Problem Solving p.149-151

H.O.T. Problems p.151

Standardized Test Practice p.152

Spiral Review p.152

Skills Review p.152