Test: Functions I - Challenging

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Question 1:   If f( x )= 1 7 x+12 , find f( 4 )
11 4 7
11 5 7
11 3 7
11 6 7
Question 2:   If f( x )= 3x , find f( 5 )
2
2
0
No answer
Question 3:   If f( x )= x x2 , find f( 3 )
3 5
1 5
2 5
1 2 3
Question 4:   If f( x )= 6x , find f( 18 )
2 6
6
0
No answer
Question 5:   If f( x )= | x7 | , find f( 3 )
No answer
2
2 3
2
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