Open QuestionDetermine the intervals of the domain over which each function is continuous. See Example 1.
Open QuestionIn Exercises 11–26, determine whether each equation defines y as a function of x. y = - √x +4
Open QuestionDetermine whether the three points are the vertices of a right triangle. See Example 3. (-6,-4),(0,-2),(-10,8)
Open QuestionIn Exercises 27–38, evaluate each function at the given values of the independent variable and simplify.f(x)=4x+5b. f(x + 1)