3. what is the range of the function: {(1, 3); (3, 5); (5, 7); (7, 9)}?
(points : 4)
{1, 3, 5, 7}
{1, 3, 5, 7, 9}
{1, 9}
{3, 5, 7, 9}
question 4.4. if f(x) varies directly with x and f(x) = 4 when x = 12, then what is the value of f(x) when x = 60?
(points : 4)
5
20
180
300
what is the turning point of the graph of f(x) = |4x| + 2 ?
(points : 4)
(0, 0)
(–4, 2)
–(2, 0)
(0, 2)