Based on the function graph above:
Input:
1, 2, 3, 4, 5
Output:
4, 8, 12, 16, 20
What is the input and what is the output?
Answer (2)
( 1 , 4 ) , ( 2 , 8 ) s l o p e m = 2 − 1 8 − 4 = 1 4 = 4 y = a x + b
4 = 4 ∗ 1 + b b = 4 − 4 b = 0 y = 4 x
The inputs for the function are 1, 2, 3, 4, and 5, and the outputs are 4, 8, 12, 16, and 20, respectively. The relationship between inputs and outputs is defined by the equation y = 4x. This indicates that each output is four times its corresponding input value.
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