Multiple Choice. Write the letter on the answer line. 1. Which of the following relations is not a function? a) xty=1 b) y= x + 1 c) y = Vx- 1 "d) x=y2 2. Given f (x) = x2 , what is 2f(x - 1) ? a) 2x2 - 2 b) 4x2 - 2 c) 2x2 - 4x + 2 d) 2x2 - x+ 5 3. The graph of y= _ is stretched horizontally by a factor of 5, and then translated 3 units down. Which of the following is the resulting equation? a) f(x)= 5 - 3 b ) f ( x ) = ] - 3 c) f(x)= 5 + 3 d)f(x)= +3 4. Which is false about the graph of y = =f(- 2x + 6) ? a) it is vertically compressed by a factor of 1/2 b) it is horizontally reflected in the y-axis c) it is horizontally stretched by a factor of 2 d) it is horizontally translated 3 units right 5. Write the final answer using proper notation a. Given f (x) =- 2x2 - 3x + 1 , evaluate f(-1) b. Given g (x) = 5x - 4 , evaluate - 3g (0) + 2 c. What is the domain of f(x)= (x+2)2+5 ? d. What is the range of f(x)= - Vx - 1+4 ? el What is the horizontal translation for y = f (x + 2) - 3