Algebra/Functions/Answers

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1. f(x)=4x/5

2. f(x)=x+5x

3. f(x)=x+3x

4. f(x)=x7x

5. f(x)=x3y

6. f(x)=x/2*(y+3)

7. a) 10

  b) 5
  c) 35
  d) -10

8. a) 11

  b) 1
  c) 2.3
  d) -10

9. a) 49

  b) 9/25
  c) 28.09
  d) 36