General Mathematics- Grade 11 Quarterly Assessment

Which graph is NOT a function?

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Which of the following is a function?

• $\left\{(14/5,3),(3,1/2),(4,-11/7),(-5,3)\right\}$

• $\left\{(1/4,3),(1/4,-1/5),(1/4,-11/7),(1/4,-3)\right\}$

• $\left\{(17,2/3),(11/23,-2/3),(17,-2/3),(11/23,2/3)\right\}$

• $\left\{(5/8,23),(-5/8,11),(-5/8,6),(5/8,4)\right\}$

Which of the following represents a function?

• a teacher and his salary

• an ingredient in recipes

• a counting number and its fourth root

• the grades of a student in all his subjects

Which diagram does NOT illustrate a function?

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Which of the following is the domain of the function {(0, -7), (1, -7), (-2, -7), (-1, -7)}?

• {-7, 1, -1, -2}

• {0, 1, -1, -7}

• {0, 1, -2, -1}

• {0, 1, -2, -7}

Which of the following is the range of the function {(8, -4), (6, -2), (4, 0), (3, 2)}?

• {-4, -2, 0, 2}

• {-4, -2, 0, 4}

• {-4, -2, 3, 2}

• {-4, -2, 6, 2}

 $Iff(x)=x-3,whatisf(5)?$  

• 1

• 2

• 3

• 4

 $Evaluatef(-6)whenf(x)=(x+3)/(x-3).$  

•  $-3$  

•  $-\frac{1}{3}$  

•  $\frac{1}{3}$  

• 3

 $What\ is\ g(-3)\ when\ g(x)=2x+5?$  

• 11

• 1

• -1

• -11

 $Which\ of\ the\ following\ is\ h(1/2)\ when\ h(x)=x^2?$  

•  $2$  

•  $\frac{3}{4}$  

•  $\frac{1}{3}$  

•  $\frac{1}{4}$