Guided course 04:29Graphing Equations of Two Variables by Plotting PointsPatrick Ford589views14rank1comments
Multiple ChoiceGraph the equation y−x2+3=0y-x^2+3=0y−x2+3=0 by choosing points that satisfy the equation.217views3rank
Multiple ChoiceGraph the equation y=x+1y=\sqrt{x}+1y=x+1 by choosing points that satisfy the equation. (Hint: Choose positive numbers only)227views1rank
Textbook QuestionIn Exercises 1-12, plot the given point in a rectangular coordinate system. (1, 4)305views
Textbook QuestionGraph each equation in Exercises 1–4. Let x= -3, -2. -1, 0, 1, 2 and 3. y = 2x-2205views
Textbook QuestionFill in the blank to correctly complete each sentence. The x-intercept of the graph of 2x + 5y = 10 is ________.188views
Textbook QuestionIn Exercises 11–26, determine whether each equation defines y as a function of x. x + y = 16708views
Textbook QuestionIn Exercises 1-12, plot the given point in a rectangular coordinate system. (7/2, - 3/2)190views
Textbook QuestionDetermine whether each relation defines a function. See Example 1. {(-3,1),(4,1),(-2,7)}208views
Textbook QuestionGraph each equation in Exercises 13 - 28. Let x = - 3, - 2, - 1, 0, 1, 2, 3 y = x - 2165views
Textbook QuestionFor each piecewise-defined function, find (a) ƒ(-5), (b) ƒ(-1), (c) ƒ(0), and (d) ƒ(3).See Example 2. ƒ(x)={2+x if x<-4, -x if -4≤x≤2, 3x if x>2438views
Textbook QuestionFor each graph, determine whether y is a function of x. Give the domain and range of each relation. 384views
Textbook QuestionGraph each piecewise-defined function. See Example 2. ƒ(x)={6-x if x≤3, 3 if x>3264views
Textbook QuestionDetermine whether each relation defines a function, and give the domain and range. See Examples 1–4.191views
Textbook QuestionGraph each equation in Exercises 13 - 28. Let x = - 3, - 2, - 1, 0, 1, 2, 3 y = |x| + 1265views
Textbook QuestionIn Exercises 11–26, determine whether each equation defines y as a function of x. |x|- y = 5251views
Textbook QuestionDetermine whether the three points are the vertices of a right triangle. See Example 3. (-4,3),(2,5),(-1,-6)181views
Textbook QuestionIn Exercises 27–38, evaluate each function at the given values of the independent variable and simplify. h(x) = x^4 - x²+1 b. h (-1)176views
Textbook QuestionIn Exercises 31–32, the domain of each piecewise function is (-∞, ∞) (a) Graph each function. (b) Use the graph to determine the function's range.326views
Textbook QuestionIn Exercises 27–38, evaluate each function at the given values of the independent variable and simplify. h(x) = x^4 - x²+1 c. h (-x)292views
Textbook QuestionIn Exercises 27–38, evaluate each function at the given values of the independent variable and simplify. f(r) = √(r + 6) +3 a. f(-6)218views
Textbook QuestionFind the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b). midpoint (-9, 8), endpoint (-16, 9)191views
Textbook QuestionIn Exercises 41–46, use the graph to a. determine the x-intercepts, if any; b. determine the y-intercepts, if any. For each graph, tick marks along the axes represent one unit each. 260views
Textbook QuestionFor each equation, (a) give a table with at least three ordered pairs that are solutions, and (b) graph the equation. See Examples 7 and 8. y=(1/2)x-2492views
Textbook QuestionIn Exercises 47–50, write each English sentence as an equation in two variables. Then graph the equation. The y-value is the difference between four and twice the x-value.228views
Textbook QuestionFind the value of the function for the given value of x. See Example 3. ƒ(x)=[[x]], for x=x-(-π)177views
Textbook QuestionLet ƒ(x)=-3x+4 and g(x)=-x^2+4x+1. Find each of the following. Simplify if necessary. See Example 6. ƒ(1/3)179views
Textbook QuestionIn Exercises 55–64, use the vertical line test to identify graphs in which y is a function of x. 316views
Textbook QuestionLet ƒ(x)=-3x+4 and g(x)=-x^2+4x+1. Find each of the following. Simplify if necessary. See Example 6. ƒ(-x)164views
Textbook QuestionIn Exercises 55–64, use the vertical line test to identify graphs in which y is a function of x. 251views
Textbook QuestionIn Exercises 71–74, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. The ordered pair (2, 5) satisfies 3y - 2x = - 4.230views
Textbook QuestionIn Exercises 77–92, use the graph to determine a.the x-intercepts, if any; b. the y-intercept, if any; and e. the missing function values, indicated by question marks, below each graph. 210views
Textbook QuestionIn Exercises 77–92, use the graph to determine a. the function's domain; b. the function's range; c. the x-intercepts, if any; d. the y-intercept, if any; and e. the missing function values, indicated by question marks, below each graph.233views
Textbook QuestionDetermine the largest open intervals of the domain over which each function is b) decreasing. See Example 9. 323views
Textbook QuestionDetermine whether each equation has a graph that is symmetric with respect to the x-axis, the y-axis, the origin, or none of these. |y| = -x159views1rank
Textbook QuestionIn Exercises 95–96, let f and g be defined by the following table: Find √(ƒ(−1) − f(0)) – [g (2)]² + ƒ(−2) ÷ g (2) · g (−1) .318views