______1. The following correspondence are called
functions, except one.
a. One-to-one correspondence c. one-to-many
b. Many-to-one correspondence d. none of the above
______2. It is a method that is used to determine whether a
given relation is a function or not.
a. Vertical line test
c. diagonal line test
b. Horizontal line
d. curve line
______3. Which of the following ordered pairs represents a
function?
a. {(1,5), (2,6), (2,7), (1,6)
b. {(-3,0), (-3,1), (-3,2), (-3,3)}
c. {(1,2), (2,3), (3,4), (4,5)}
d. {(-2,2), (-3,2), (-5,2), (-2,-2)}
______4. Given the diagram, what type of relation is shown
in the illustration?
Employee
Employer
log2
a. 20
c. 15
a. One-to-One correspondence c. Many-to-One correspondence
b. One-to-Many correspondence d. Undetermined
______5. Which of the following sets represent a function?
a. {1, 2, 3, 4)
c. {(1,2), (2,3),(3,4)}
b. {(1,2), (1,3), (2,2) d. {(-2,1), (2,-2), (-2,-2)}
______6. Given the equation y = x + 5, what is the value of
the dependent variable when x = 10?
b. 10
d. 5
______7. In an equation where y is expressed in terms of x,
the variable x is considered the
because
any value could be assigned to it.
a. Dependent variable
c. output
b. Independent variable d. perimeter
______8. Emma was given 5 seashells. Each week she
collected 3 more. Let w be the number of weeks
Emma collects seashells and s be the total number of
seashells she has. What equation used to model the
relationship?
a. s = 3w + 5 b. s = 5w +3 c. w = 3s + 5 d. w = 5s + 3
______9. Changes in the
variable causes
changes in the
variable.
a. Independent - independent c. dependent - independent
b. Dependent - dependent d. independent - dependent
______10. Rey makes five paper helicopters with different
wing lengths. He drops them the same way from a
height of two meters for five trials each. He
records the amount of time it takes for each helicopter to
fall to the ground. What is the independent variable?
a. Dropping the same way
c. amount of time it takes to hit the floor
b. Wing length
d. dropping from the same height​