Problem 557

  What is the range of 2×2 + 1.   Solution:-   The graph of the function is a parabola. The positive 2 in the equation will make the graph…

Problem 556

  What is the range of the following function?  f(x) = (4,6), (5,7),(6,8),(7,9)   Solution:-   Given a set of ordered pairs, the range is found by identifying the y-coordinates…

Problem 554

  Explain how a graph fails the vertical line test.   Solution:-   Any vertical line drawn through the graph cannot intersect the graph more than once. If any vertical…

Problem 548

  Which of the following graphs represents y = 3x + 3 ?   Solution:-     Look for the graph of a linear function with a slope of three and…