Mathematics
Grade 9
15 min
Linear functions over unit intervals
Linear functions over unit intervals
Tutorial Preview
1
Find the change in f(x) = 3x + 5 when x increases by 1.
2
Find the change in g(x) = -2x + 7 when x increases by 1.
3
Find the change in h(x) = 0.5x - 4 when x increases by 1.
Sample Practice Questions
Easy
For the function f(x) = 2x + 1, what is the change in f(x) when x increases by 1?
0.1
1.2
2.3
3.-1
Easy
For the function f(x) = 4x + 10, what is the change in f(x) when x increases by 1?
0.4
1.10
2.14
3.6
Easy
For the function f(x) = x + 8, what is the change in f(x) when x increases by 1?
0.8
1.9
2.1
3.x
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