Multiple ChoiceGraph the equation y−x2+3=0y-x^2+3=0y−x2+3=0 by choosing points that satisfy the equation.162views2rankHas a video solution.
Multiple ChoiceGraph the equation y=x+1y=\sqrt{x}+1y=x+1 by choosing points that satisfy the equation. (Hint: Choose positive numbers only)162viewsHas a video solution.
Textbook QuestionIn Exercises 1-12, plot the given point in a rectangular coordinate system. (1, 4)219viewsHas a video solution.
Textbook QuestionGraph each equation in Exercises 1–4. Let x= -3, -2. -1, 0, 1, 2 and 3. y = 2x-2165viewsHas a video solution.
Textbook QuestionDetermine whether each equation defines y as a function of x. 2x + y = 8467viewsHas a video solution.
Textbook QuestionFill in the blank to correctly complete each sentence. The x-intercept of the graph of 2x + 5y = 10 is ________.152viewsHas a video solution.
Textbook QuestionIn Exercises 11–26, determine whether each equation defines y as a function of x. x + y = 16527views1rankHas a video solution.
Textbook QuestionIn Exercises 1-12, plot the given point in a rectangular coordinate system. (7/2, - 3/2)149viewsHas a video solution.
Textbook QuestionDetermine whether each relation defines a function. See Example 1. {(-3,1),(4,1),(-2,7)}164viewsHas a video solution.
Textbook QuestionGraph each equation in Exercises 13 - 28. Let x = - 3, - 2, - 1, 0, 1, 2, 3 y = x - 2133viewsHas a video solution.
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>2294viewsHas a video solution.
Textbook QuestionFor each graph, determine whether y is a function of x. Give the domain and range of each relation. 270viewsHas a video solution.
Textbook QuestionGraph each piecewise-defined function. See Example 2. ƒ(x)={6-x if x≤3, 3 if x>3166viewsHas a video solution.
Textbook QuestionDetermine whether each relation defines a function, and give the domain and range. See Examples 1–4.149viewsHas a video solution.
Textbook QuestionGraph each equation in Exercises 13 - 28. Let x = - 3, - 2, - 1, 0, 1, 2, 3 y = |x| + 1212viewsHas a video solution.
Textbook QuestionDetermine whether each equation defines y as a function of x. y = 6 -x^2186viewsHas a video solution.
Textbook QuestionIn Exercises 11–26, determine whether each equation defines y as a function of x. |x|- y = 5197viewsHas a video solution.
Textbook QuestionDetermine whether the three points are the vertices of a right triangle. See Example 3. (-4,3),(2,5),(-1,-6)142viewsHas a video solution.
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)130viewsHas a video solution.
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.201viewsHas a video solution.
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)213viewsHas a video solution.
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)144viewsHas a video solution.
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)151viewsHas a video solution.
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. 203viewsHas a video solution.
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-2384viewsHas a video solution.
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.190viewsHas a video solution.
Textbook QuestionFind the value of the function for the given value of x. See Example 3. ƒ(x)=[[x]], for x=x-(-π)136viewsHas a video solution.
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)141viewsHas a video solution.
Textbook QuestionIn Exercises 55–64, use the vertical line test to identify graphs in which y is a function of x. 194viewsHas a video solution.
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)129viewsHas a video solution.
Textbook QuestionIn Exercises 55–64, use the vertical line test to identify graphs in which y is a function of x. 189viewsHas a video solution.
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 = - 4.180viewsHas a video solution.
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. 163viewsHas a video solution.
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.175viewsHas a video solution.
Textbook QuestionDetermine the largest open intervals of the domain over which each function is b) decreasing. See Example 9. 233viewsHas a video solution.
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| = -x122views1rankHas a video solution.
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) .234viewsHas a video solution.