Which, if any, of the relations described by the equations y = │x│, x = │y│, and │y│ = │x│ represent functions? Explain.

find the slope of the line passing through the given points. Then tell whether the line rises, falls, is horizontal, or is vertical.v(3, -2), (5, 4)

Tell whether the given ordered pairs are solutions of the inequality.y≤-5x;(3,2),(-2,1)

Tell whether the lines are parallel, perpendicular, or neither. Line 1: through (-3, -7) and (1, 9), Line 2: through (-1, -4) and (0, -2)

Use the symbol < or > to write a linear inequality in two variables that has (1, -5) and (7, -8) as solutions.

Write and graph a direct variation equation that has the given ordered pair as a solution.(-3,12)

Tell whether the data have a positive correlation, a negative correlation, or approximately no correlation.

Graph the function for the given domain. Classify the function as discrete or continuous. Then identify the range of the function.

$$f(x) = 1/3 x + 6; domain: x ≥ - 6$$

Graph the equation. Compare the graph with thegraph of y=x.y=-x

Write an equation of the line that has the given slope and y-intercept. m=3,b=-4

Which of these bones does not contain a paranasal sinus?

a. ethmoid

b. sphenoid

c. frontal

d. temporal

e. maxilla

Write an equation of a line that is parallel to the line x + 3y = 12 and that contains no points in Quadrant I.

Graph the function. Compare the graph with the graph of y = ❘x❘.

y = ❘x + 2 ❘

Find the slope of the line passing through the given points.Then tell whether the line rises, falls, is horizontal, or is vertical. (8,9),(-4,3)