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Math Algebra 8.2.1.1

1. f(x) = 4x + 4. In the equation above, which variable is the dependent variable and which is the independent variable?

A. f(x) is dependent, x is independent

B. X is dependent, f(x) is independent

C. 4 is independent, x is dependent

D. 4 is independent, y is dependent

2. f(x) = 5x. In the equation above, if the independent variable’s coefficient is doubled, what will the effect be on the dependent variable?

A. Increase by 5

B. Increase by a factor of 5

C. Increase by 2

D. Increase by a factor of 2

3. y = 14x + 3 – 5. In the equation above, what is the value of the constant?

A. 3

B. 14

C. -2

D. -5

4. f(x) = 4x + 8. If the dependent variable in the equation above is equal to 8, what is the independent variable equal to?

A. 0

B. 2

C. 4

D. 8

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