Final answer:
The range of the function f(x) = 2x + 5 when the domain is {2, 5, 7} is {9, 15, 19}.
Step-by-step explanation:
The range of the function f(x) = 2x + 5 when the domain is {2, 5, 7} can be found by substituting each value from the domain into the function and determining the corresponding output.
- For x = 2: f(2) = 2(2) + 5 = 9
- For x = 5: f(5) = 2(5) + 5 = 15
- For x = 7: f(7) = 2(7) + 5 = 19
Therefore, the range of the function is {9, 15, 19}.