Math 1111 Review for Test #1 Sections 1.2 – 2.1. Function or Not a Function? {(4, -5), (3, 4), (-2, 5)} A. Function B. Not a Function.

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Presentation transcript:

Math 1111 Review for Test #1 Sections 1.2 – 2.1

Function or Not a Function? {(4, -5), (3, 4), (-2, 5)} A. Function B. Not a Function

Function or Not a Function? {(4, 7), (-3, 7), (2, 7)} A. Function B. Not a Function

Function or Not a Function? {(5, 7), (4, -1), (5, -1)} A. Function B. Not a Function

Is 5x + 6y = -9 the equation of a function? A. Yes, it is a function. B. No, it is not a function.

Is x = 4 the equation of a function? A. Yes, it is a function. B. No, it is not a function.

What is the slope of the line 5x – 3y = 8? A. -5/3 B. 5/3 C. 3/5 D. -3/5

What is the slope of the line y = 6? A. Undefined B. 6 C. 3/4 D. 0

What is the slope of the line x = -4? A. -4 B. 0 C. Undefined D. 6

What is the slope of the line passing through (-3, 7) and (-6, -2)? A. 3 B. -3 C. 1/3 D. -1/3

Find the slope-intercept equation of the line with slope -3 and passing through (4, -2). A. Y = -3x - 2 B. Y = -3x + 14 C. Y = -3x - 10 D. Y = -3x + 10

What is the equation of the horizontal line passing through (6, -4)? A. X = 6 B. Y = -4 C. Impossible to determine.

Is f(x) = -4x + 2 increasing, decreasing or constant? A. Increasing B. Decreasing C. Constant

Refer to the graph and find f(1) A. 2 B. 0 C. 1 D. -1

What is the domain of the function whose graph is shown below? A. (-1, 2) B. [-1, 2) C. [1, 4) D. (1, 4)

What is the range of the function whose graph is shown below? A. (-1, 2) B. [-1, 2) C. [1, 4) D. (1, 4]

Find f(-3) if f(x) = -x A. 14 B. -4 C. 2 D. 8

What is the zero for f(x) = -8x + 1? A. 1 B. -8 C. -1/8 D. 1/8

Solve for x: 7x + 2 = -3x - 8 A. X = -1 B. No Solution C. -5/2 D. -3/2

Solve for x: 2(9x + 2) – 4 = 3(6x – 1) A. X = -1 B. No Solution C. -5/2 D. -3/2

Solve for x: -6(2x + 3) – 4 = -8 – 2(x – 5) – 3(x + 1) A. X = 3 B. X = -3 C. X = 69 D. None of the above

Find the function: You have 400 feet of fencing to enclose a rectangular lot and divide it in two by another fence that is parallel to one side of the lot. Express the area of the rectangular lot, A(x), as a function of the length of the fence that divides the rectangular lot, x. Leave in factored form.