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You can create printable tests and worksheets from these Grade 9 Functions questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Find the Domain and Range.

{ (3, 1), (7, 5), (4, 8), (0, 6), (8, 0) }
1. Domain : { 1, 2, 3, 4, 9 } Range : { 2, 3, 7 }
2. Domain : { 0, 3, 4, 7, 8 } Range : { 0, 1, 5, 6, 8 }
3. Domain : { 2, 4, 7, 8 } Range : { 1, 4, 5, 6, 9 }
4. Domain : { 1, 2, 3, 6, 9 } Range : { 2, 4, 7, 8, 9 }
In the year 2000, the population of Virginia was about 7,400,000.
Between the years 2000 and 2004, the population in Virginia grew
at a rate of 5.4%. At this growth rate, what function gives the population x years after 2000.
1. $f(x) = 7,400,000 (1 + .054)^x$
2. $f(x) = 7,400,000 (1 - .054)^x$
3. $f(x) = 7,400,000 (.054)^x$
4. $f(x) = 7,400,000x^(.054)$
A function which has a constant difference per interval is
1. Linear
2. Exponential
3. Logarithmic
4. None of the above
When y is written as f(x)
1. Function Rule
2. Function Notation
3. Function Variable
The y-value is also known as or related to the
1. Range
2. Input
3. Domain
4. Independent Variable
5. Output
6. Dependent Variable
7. A, E, and F
8. B, C, and D
The x-value is also known as or related to the
1. Independent Variable
2. Input
3. Dependent Variable
4. Range
5. Domain
6. Ouput
7. A, B, and E
8. C, D, and F
Which set of ordered pairs satisfies an exponential function?
1. {(-2,1),(-8,2), (-32, 3), (-128, 4)}
2. {(-1,2),(0,10), (1, 50), (2, 250)}
3. {(1,2),(1,6), (1, 18), (1, 54)}
4. {(1,2),(2,4), (3, 6), (4, 8)}
Multiply. $sqrt(33p)sqrt(6p)$
1. $sqrt(198p^2)$
2. $3psqrt22$
3. $3sqrt(22p)$
4. $9p^2sqrt(22)$
A function which has a constant factor per interval is
1. Linear
2. Exponential
3. Both
4. None of the above
Choose a reasonable domain for the following situation:
roast beef sandwiches for n people
1. set of whole numbers
2. set of integers
3. set of positive real numbers
4. set of real numbers
Simplify the following expression.
$3y^2 - 6y + 2 + 3y^2 + 8y$
1. $8y^2 +2$
2. $6y^2 +2 +14y$
3. $6y^2 + 2 - 14$
4. $6y^2 +2y + 2$
$-5x - 2( 2x -4) - 5$
1. $-9x + 3$
2. $1x +3$
3. $-9x - 13$
4. $1x -13$