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Algebra II Exercise: Operations with Functions


Question Group #1
Directions and/or Common Information: 

f(x) = 2x      g(x) = x - 2

h(x) = x2     k(x) = x/2

Use the functions above to perform the following operations:


k(x) ● f(x)
1. 





g(x) - h(x)
2. 





f(x) - k(x)
3. 





h(x) + k(x)
4. 





h(x) ● g(x)
5. 





f(x) ÷ k(x)
6. 





g(x) ● h(x)
7. 





f(x) + g(x)
8. 




Question Group #2
Directions and/or Common Information: 

f(x) = 2x      g(x) = x - 2

h(x) = x2     k(x) = x/2

Use the functions above to evaluate the following composite functions:


h[f(0)]
1. 





f[g(2)]
2. 





g[h(5)]
3. 





h[k(4)]
4. 





k[f(3)]
5. 





f[k(-2)]
6. 





g[g(-3)]
7. 





g{f[h(-1)]}
8. 








B Horn

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