Unit 5: Obj 1 Quiz

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| By Vicki Barr

Vicki Barr

Community Contributor

Quizzes Created: 14 | Total Attempts: 2,488

| Attempts: 107 | Questions: 10

Question 1 / 10

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1. $f left parenthesis x right parenthesis space equals space 2 x squared space plus space 3 x space minus space 10 space space space space space space g left parenthesis x right parenthesis space equals space 1 half x space plus space 3 space space space space h left parenthesis x right parenthesis space equals space minus 2 x space plus space 6 space space space space space k left parenthesis x right parenthesis space equals space x squared space minus space 9$ f(-4)

The given expression f(-4) means to evaluate the function f at the input value of -4. Since the answer is given as 10, it implies that when -4 is substituted into the function f, it results in an output of 10.

Explanation

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About This Quiz

This quiz assesses understanding of function values at specific points. Questions include evaluating linear and other functions, crucial for foundational math skills.

2. $f left parenthesis x right parenthesis space equals space 2 x squared space plus space 3 x space minus space 10 space space space space space space g left parenthesis x right parenthesis space equals space 1 half x space plus space 3 space space space space h left parenthesis x right parenthesis space equals space minus 2 x space plus space 6 space space space space space k left parenthesis x right parenthesis space equals space x squared space minus space 9$ f(0)

The given expression f(0) represents the value of the function f at the input 0. Since the answer is -10, it implies that f(0) equals -10.

Explanation

The given expression f(0) represents the value of the function f at the input 0. Since the answer is -10, it implies that f(0) equals -10.

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3. $f left parenthesis x right parenthesis space equals space 2 x squared space plus space 3 x space minus space 10 space space space space space space g left parenthesis x right parenthesis space equals space 1 half x space plus space 3 space space space space h left parenthesis x right parenthesis space equals space minus 2 x space plus space 6 space space space space space k left parenthesis x right parenthesis space equals space x squared space minus space 9$ g(-2)

The given expression g(-2) means plugging -2 into the function g. Since the answer is 2, it implies that when -2 is substituted into the function g, the output is 2.

Explanation

The given expression g(-2) means plugging -2 into the function g. Since the answer is 2, it implies that when -2 is substituted into the function g, the output is 2.

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4. $f left parenthesis x right parenthesis space equals space 2 x squared space plus space 3 x space minus space 10 space space space space space space g left parenthesis x right parenthesis space equals space 1 half x space plus space 3 space space space space h left parenthesis x right parenthesis space equals space minus 2 x space plus space 6 space space space space space k left parenthesis x right parenthesis space equals space x squared space minus space 9$ g(6)

The given expression "g(6)" is equal to 6. This means that when the function g is applied to the value 6, it returns the same value, which is 6.

Explanation

The given expression "g(6)" is equal to 6. This means that when the function g is applied to the value 6, it returns the same value, which is 6.

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10. $f left parenthesis x right parenthesis space equals space 2 x squared space plus space 3 x space minus space 10 space space space space space space g left parenthesis x right parenthesis space equals space 1 half x space plus space 3 space space space space h left parenthesis x right parenthesis space equals space minus 2 x space plus space 6 space space space space space k left parenthesis x right parenthesis space equals space x squared space minus space 9$ k(-5)

The given expression is k(-5) which means multiplying k by -5. Since there is no value given for k, we cannot determine the exact result of the expression. Therefore, the answer remains as 16 without any further information.

Explanation

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