After going through with this module. it's now time to check what you have leanied
from the activities. Read carefully and answer the items that follow.
Directions: Tell whether the following statements are true or false.
_1. The independent variable depends on the dependent variable.
_2.The dependent variable changes only in response to the independent
variable
_3. Salary is an independent variable because it controls the number of
hours that one works.
_4. The height of a plant is dependent on the number of years it grown.
_5. In a given function, the domain is the set of acceptable inputs while the
range is the set of acceptable outputs.
_6. We can use any value for the domain.
_7.In a set of ordered pairs, the abscissas are the domain and the
ordinates are the range
_8. In a rational function, / (x) = the domain is the set of real numbers
not equal to the number that would make the denominator zero.
_9.In a rational function, f(x) == the range is the set of real numbers
except zero.
_10. In a radical function, f(x) = 2V8 - 1, the domain is the set of real
numbers greater than or equal to O.
_11. The range of the function fir) = 2VX+ I is the set of real numbers less
than or equal to 2.
_12. The range of the function f(x) = 1 – 3x is the set of real numbers.
_13. The range of the function f(x) = -2(x - 3)2 is the set of all real numbers
greater than or equal to zero.
_14. To find the domain of a function described by the graph, we look
horizontally from left to right, look for breaks or gaps on the graph,
where it begins and where it ends.
_15. To find the domain of a function described by the graph, we look
vertically up and down, look for breaks or gaps on the graph, where it end.
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