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…
Month: January 2015
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 555
Explain why there are restrictions on the domain for the function f(x) = . Solution:- The domain of a function is the set of values for which it…
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 553
Explain why vertical lines have undefined slope. Solution:- When calculating the slope of a line, you find the change in y-coordinates divided by the change in x-coordinates.…
Problem 552
Write the equation of the line with m = and b = ? Solution:- Substitute the values for slope and y-intercept into y = mx +b.
Problem 551
Find the slope of the line through the points (5, 5) and (-5, 5). Solution:- Use the slope formula m = 0 The slope is…
Problem 550
Find the slope of the line through the points (-1, 2) and (9, 7). Solution:- Use the slope formula
Problem 549
What is the slope of the line that is perpendicular to y = 4x – 3? Solution:- The slope is represented by m in y = mx + b. Perpendicular lines have opposite reciprocal slopes. …
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…
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