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# Functions Questions - All Grades

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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
A domain is
1. a mathematical sentence starting that two quantities are equal.
2. an expression that has a root.
3. the set of x-coordinates in a relation.
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 equation below has a larger rate of change than this graph?
1. $y=-1/3x$
2. $y=1/2x$
3. $y=-1/5x-3$
4. $y=9/2x$
For a function, written in standard form, to be linear it must meet certain criteria. Pick THREE such criteria, listed below, that are valid.
1. x and y CAN be multiplied
2. x and y CAN be in the denominator
3. x and y HAVE exponents of 1
4. x and y have an exponent other than one
5. x and y are NOT multiplied together
6. x and y do NOT appear as the denominator
Which relationship is a direct variation?
1. x=1,2,3,4 and y=-1,0,1,2
2. x=1,2,3,4 and y=0,-1,-2,-3
3. x=1,2,3,4 and y=3,5,7,9
4. x=1,2,3,4 and y=3,6,9,12
The given domain and range concludes that the following is:

The domain is (-2,-2, 0, 1, 5) and the range is (-2, 0, 1, -2, 5) respectively.
1. A Function, Linear
2. Not A Function, Linear
3. A Function, but not linear
4. Not a Function, and not linear.