1) Is the relation a function?{(1,5),(1,7),(3,9),(4,11)} a) Yes, because the x-values can repeat. b) Yes, because the y-values are not repeating. c) No, because the x-values repeat. d) No, because the y-values are not repeating. 2) What is a function? a) Has inputs and outputs. b) Every input has one output. c) Inputs have different outputs every time. d) has x-values and y-values 3) Which set of values is a function? a) (9,5) (10,5) (9,-5) (10,-5) b) (3,4) (4,-3) (7,4) (3, 8) c) (6,-5) (7, -3) (8, -1) (9, 1) d) (2, -2) (5, 9) (5, -7) (1, 4) 4) Is this a function? a) Yes b) No 5) Is this graph a function? a) yes b) No 6) The x can repeat and still be a function a) False b) True 7) All of the y-values or outputs are called what? a) Domain b) Range c) Relation d) Function 8) choose the correct spelling: a) discipline b) dicipline c) disipline 9) A set of ordered pairs is called what? a) Relation b) Function c) Vertical Line Test d) Coordinates 10) All of the x-values or inputs are called what? a) Range b) Relation c) Function d) Domain 11) Is the relation a function? Why? a) Yes, because the x-value 11 has two y-values pair with it. b) Yes, because each x-value has only one y-value paired with it. c) No, because the x-value 11 has two y-values pair with it. d) No, because each x-value has only one y-value paired with it. 12) Is this graph a function or not a function? a) Function b) Not a Function 13) Find the missing output value. a) 8 b) 2 c) 2 d) -8 14) Evaluate f(-2) if f(x) = x + 3 a) -1 b) 5 c) -5 d) 1 15) Choose the correct spelling. a) newsance b) nuisance c) nuisanse 16) What are all the x-intercepts a) (-2.55, 0), (2.55, 0) b) (-3,0), (-2,0), (2,0), (3,0) c) (0, 36) d) (-∞,∞) 17) Evaluate f(x)= -2x + 13 for f(10) a) -7 b) 1 c) -8 d) 7 18) What is the interval of decrease? a) (-∞, -2) b) (-2, ∞) c) (2, ∞) d) (-∞, 2) 19) Identify the increasing interval: a) (0, 4) b) (1, 0) U (1, 4) c) (-1, 1) d) (-∞, -1) U (1, ∞) 20) Over what interval is this function decreasing? a) −∞ ≤ x ≤ 2 b) 2 ≤ x ≤ ∞ 21) What is the y-intercept of f(x)= 2x2 + 4x + 6 a) (6,0) b) (-6,0) c) (0,-6) d) (0,6) 22) What is this? a) Linear function b) Nonlinear Function c) Linear, but not a function d) Nonlinear and not a function 23) What is this? a) Linear Function b) Nonlinear Function c) Linear, but not a function d) Nonlinear and not a function 24) What is this? a) Linear Function b) Nonlinear Function c) Linear, but not a function d) Nonlinear and not function 25) Select the nonlinear function a) y = x/3 b) a = 6z - 3/10 c) h = 72 - z d) y = 10/x 26) What is the range of the graph? a) (-∞,∞) b) [0,∞) c) (0,5) d) [-1,∞) 27) What is the domain of the graph? a) [ -∞, ∞] b) (-∞,∞) c) [-3 , 3] d) [-15, 9] 28) What is the domain for this relation? a) x ≤ -4 b) x ≥ -4 c) all real numbers 29) What is the Domain? a) x = 2 b) −∞ < x < ∞ c) y = 2 d) none of these 30) Choose the correct spelling: a) embarassment b) embarasment c) embarrasment d) embarrassment 31) What is the range? a) x = 2 b) −∞ < x < ∞ c) y = 2 d) none of these 32) What is the domain? a) 4 < x ≤ 5 b) -4 ≤ x < 5 c) -3 < y < 3 d) -3 ≤ y ≤ 3 33) What is the range? a) -4 < x ≤ 5 b) -4 ≤ x < 5 c) -3 < y < 3 d) -3 ≤ y ≤ 3 34) When is this function increasing? a) (-2.5, 2.5) b) (0, 5) c) (0 , 55) d) (-5 , 0) 35) Choose the correct spelling: a) acquaintence b) aquaintance c) acquaintance 36) Name the x-intercept(s)? a) (0,0) only b) (4,0) only c) (2,4) d) both (0,0) and (4,0) 37) Where is this graph constant? a) between 0 and 3 b) at 5 c) (-5, 5) d) at 0 38) Find x if f(x) = 0. a) 5 b) -1 c) -5 d) -1 and -5 39) Choose the correct spelling: a) conscience b) conciensce c) consciense

Functions

Trykke
Integrere

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?