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McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

3. Rate of Change and Slope

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Exercise 48 Page 82

Substitute - 9 for x to calculate the function's value.

71

Practice makes perfect

Using the function f(x), we want to evaluate for the given value, f( - 9). To do this, we need to substitute - 9 for x.

f(x)=- 7x+8

x= - 9

f( - 9)=- 7( - 9)+8

MultNegNegOnePar

- a(- b)=a* b

f(- 9)=7* 9+8

Multiply

f(- 9)=63+8

Add terms

f(- 9)=71

Subchapter links

Check Your Understanding p.79

Practice and Problem Solving p.79-81

H.O.T. Problems p.81

Standardized Test Practice p.82

Spiral Review p.82

Skills Review p.82