Which of the following is the independent variable in the equation below? f(t)=4t+9
A. f
B. 9
C. t
D. 4
From the given equation, the variable t is varied to obtain the value of f(t). This means that t is an independent variable, modified variable while f(t) is a dependent variable, a measured value.
Therefore, the Correct Answer is C.
More Questions on TEAS 7 Math
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Q #1: Which of the following percentages is equivalent to 5 ¼ ?
A. 525%
B. 514%
C. 5.25%
D. 5.14%
Answer Explanation
The percent equivalent of a fraction is obtained by multiplying the by frication by 100%.
Convert 5 ¼ into improper faction as follows
So, the percent equivalent is:
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Q #2: Which of the following is the independent variable in the equation below? f(t)=4t+9
A. f
B. 9
C. t
D. 4
Answer Explanation
From the given equation, the variable t is varied to obtain the value of f(t). This means that t is an independent variable, modified variable while f(t) is a dependent variable, a measured value.
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Q #3: In a study of the average weight of babies at different time intervals after birth, the babies’ measured weight is which of the following variables?
A. Independent
B. Control
C. Dependent
D. Constant
Answer Explanation
In this case, we are measuring average weight of the babies with time. The weight of the babies will vary with time, meaning when we vary time, the average weight of the babies will be different. Here, time is independent while average weight is dependent variable.
