D = {x|x is a whole number}
E = {x|x is a perfect square between 1 and 9}
F = {x|x is an even number greater than or equal to 2 and less than 9}
The number 4 is D ∩ (E ∩ F). True or False.
What is false?
100
A function is always a relation but a relation is not always a function.
What is sometimes?
100
Evaluate ƒ(x ) = x 2 + 1 for ƒ(-1).
What is 2?
200
(a + b )(a^2 - ab + b^2)
What is a^3 + b^3?
200
The solution set of the equation |x - 1| = 3.
What is {-2,4}?
200
(a + b )^0
What is (a+b)?
200
Select the domain and range of F.
F = {(x, y ) | x + y = 10}.
What is Domain: All Real Numbers Range: All Real Numbers?
200
If ƒ(x ) = x 2 + 1 and g(x ) = 3x + 1, find g(20) + ƒ(6).
What is 98?
300
(1 - 7x )(1 + 9x )
What is 1+2x-63x^2?
300
Simplify 15 - 12 - 8 + 4 - 6 + 1
What is -6?
300
6 ^-1
What is 1/60?
300
Tell whether the following statement is true: always, sometimes or never.
A function is always a relation but a relation is not always a function.
What is always?
300
If ƒ(x ) = x 2 + 1 and g(x ) = 3x + 1, find 2ƒ(1) + 3g(4).
What is 43?
400
(4a + x )(a - x )
What is 4a^2-3ax-x^2?
400
Solve |3x - 4| = 6
What is {-2/3}, {10/3}?
400
Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a function), or neither (if the set is not a relation).
A = {(1, 2) (2, 2) (3, 2) (4, 2)}
What is Function?
400
Select either relation (if the set is a relation but not a function), function (if the set is both a relation and a function), or neither (if the set is not a relation).
F = {(x, y ) | x + y = 10}
What is Function?
400
If ƒ(x ) = 3x + 1, then ƒ(a + h ) - ƒ(a ) =
What is 3 h.
500
(4a^2 - 3b^2 )(16a^4 +12a^2b^2 + 9b^4 )
What is 64a^6-27b^6?
500
True or False. |- x| ≥ 0 for all real numbers x.
What is true?
500
If the relation is a function, list the domain and range. If the relation is not a function, choose "not a function".
C = {(9, 1) (8, -3) (7, 5) (-5, 3)}
What is Domain: {9, 8, 7, -5} Range: {1, -3, 5, 3}?
500
F = {(x, y ) | x + y = 10}.
What is Domain: All Real Numbers Range: All Real Numbers?
500
If ƒ(x ) = x 2 + 1 and g(x ) = 3x + 1, find [ƒ(4)] 2.