1. Which of the following equations represent a linear function? a. f(x) = 4x - 3 b. f(x) = 5x(x) c. f(x) = x2+2x-1 d. f(x) = x(2x - 2) 2. What is the value of the function f(x) = 3x -2 at x = 2? a. 6 b. 4 c. -6 d. -4 3. Which of the following linear functions has an increasing value of y as x increases? a. y = x - 3 b. y = -2x-1 c. y = -x + 4 d. y = -2x 4. What is the equivalent equation of 4x + 2y = 6? a. 2x + y = 6 b. 2x - 3=y c. y = 2x + 3 d. y = -2x + 3
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