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# Functions Questions - All Grades

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A function which has a constant difference per interval is
1. Linear
2. Exponential
3. Logarithmic
4. None of the above
$(-4pi)/3$ is equivalent to
1. $(-2pi)/6$
2. $(4pi)/3$
3. $pi/3$
4. $(2pi)/3$
Which of the following relations is also a function?
1. {(2,4), (3,5), (2,7)}
2. {(3,5), (4,6), (3,7)}
3. {(-2,1), (-2,3), (6,5)}
4. {(10,0), (2,4), (-2,6)}
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)}
Which sets of ordered pairs represent functions?
1. {(4,6) (5,7) (6,8) (7,9)}
2. {(1,8) (2,8) (3,8) (4,8) (5,8)}
3. {(2,4) (2,7) (6,4) (12,10) (15,5)}
4. {(3,5) (3,9) (3,11) (3,15)}
Multiply. $sqrt(33p)sqrt(6p)$
1. $sqrt(198p^2)$
2. $3psqrt22$
3. $3sqrt(22p)$
4. $9p^2sqrt(22)$
Grade 8 Functions CCSS: 8.F.A.2, 8.F.B.4
Grade 8 Functions CCSS: 8.F.A.2, 8.F.B.4
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
$-2g – 3g^2$
What is the value of sine $(3pi/2)$?
1. $-1$
2. $sqrt2/2$
3. $1$
4. $1/2$