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REINFORCER(DYAD) Guided Practice 1: Moving On (Determining whether a function is continuous at a number or not) Directions: Do this activity with a partner. 1. What is the value of f(1) in the function f (x) = vx + 3? a. 1 b. 2 c. 3 d. 4 2. Find lim vx - 3 at x = 4. X-+4 a. -2 b. -1 c. 1 d. 2 3. Which of the following functions is continuous at x = -2? a. f(x) = vx - 3 c. f(x) = Vx + 1 b. c. f (x) = vx - 5 d. f (x) = vx +6 4. Determine the value of x that makes the function g(x) = continuous. a. 4 b. 5 C. 6 d. 7 5. What value of x that makes the function h(x) = = discontinuous? a. -7 b. 0 c. 3 d. 7 Independent Practice 1: Be Independent (Determining whether a function is continuous at a number or not) Directions: Match Column A (Functions) with Column B (Values of x that make the functions discontinuous). Column A Column B 1. f(x) =-81 a. - x-9 2. g(x) = x-+6x+8 b, 2 * 3 3. h(x) = 6x--31x+35 C. -4 3x-5 4. g(x) = 19x-11 d. 6 Bx+7 5. f(x) =-4x-+7x-10 Vx-6 e. 9 Independent Practice 2: Be Confident (Determining whether a function is continuous at a number or not) Directions: Determine if the functions are continuous at the given values of x. 1. f(x) = 4x2 - 5 at x = 5 2. g(x) = x3 - 7x2 + 9x - 5 at x = -2 3. h(x) =atx = -5 x+5 4. f(x)= 6x +11x-10 atx= 3x-2 5. g(x) = mix- +x-15 at x = =