What is the range of the relation? {(1, 2), (2, 4), (3, 2), (4, 6)} A.
{2, 4} B. {1, 2, 3, 4, 6} C. {2, 4, 6} D. {1, 2, 3, 4}
Which relation is a function? A.
{(1, 2); (2, 3); (3, 4); (2, 5)} B. {(1, 2); (1, 3); (1, 4); (1, 5)} C. {(1, 2); (2, 3); (3, 4); (1, 5)} D. {(1, 2); (2, 2); (3, 2); (4, 2)}
For the function f(x) = 2 – 3x, find f(4). A. –5 B. 12 C. –10 D. 14
Which equation represents a direct linear variation? A. y = x – 3 B.y=1/3x C. y = x^2 D.y=1/x
Which is the direct linear variation equation for the relationship?
y varies directly with x and y = 12 when x = 4.
A. y = 3^x B. y = x + 8 C. y = 2x + 4 D. y = x – 8
Which is the quadratic variation equation for the relationship?
y varies directly with x2 and y = 48 when x = 2.
A. y = 4x^2 B. y = 4x C. y = 12x^2 D. y = x^2 + 25
Write the inverse variation equation for the relationship: y varies inversely with x and y = 4 when x = 2. A. y = 2x B.y=8/x C. y = x + 2 D.y=1/2x