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Functions, Quiz 1
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A short Quiz on the function notation, f (x).
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Question 1 of 5
1. Question
Let g(x)=3x+2. Write down the value of g(7).
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Question 2 of 5
2. Question
Let h(x)=x^{2}+2x. Write down the value of h(3).
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Question 3 of 5
3. Question
Let h(x)=x^{2}+2x. Write down the value of h(–3).
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Question 4 of 5
4. Question
Let h(x)=x^{2}+2x. What is h(a^{2}+a)? Select the fully simplified answer.
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Hint
 Remember to square all of a^{2}+a
 (a^{2}+a)^{2} is not a^{4}+a^{2}
 You are supposed to expand and simplify.

Question 5 of 5
5. Question
Let g(x)=3x+2. If g(x)=29, write down the value of x.
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Hint
If g(x)=29 and g(x)=3x+2, then 29=3x+2. You thus need to solve the equation 29=3x+2.
Previous page : Trigonometry  an introduction
Next page : Various definitionsLast modified: Jan 8, 2017 @ 13:51