Test: Functions I - Ambitious

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Question 1:   If f(x)=2x+3 , find f(3)
6
9
3
3
Question 2:   If f(x)= 1 3 x5 , find f(5)
2 1 3
3 1 3
3 1 3
3 2 3
Question 3:   If f(x)=2 x 2 +5 , find f(3)
13
23
12
18
Question 4:   If f(x)= 1 2 x 2 3x+4 , find f(2)
2
12
8
6
Question 5:   Which function represents the following graph:

f(x)= 1 4 x+5
f(x)= 1 2 x+10
f(x)= 1 2 x+5
f(x)= 1 2 x+5
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