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No - It is a function.
A relation which is not a function has more than 1 output for an input.
Answer: 1.5
Step-by-step explanation: The difference between the 2nd And 4th is 7. Divide by 2 to get 3.5. Add 3.5 to f(2) to getf(3)
The difference between f(1) and f(2) will be 3.5 and that's 5-3.5 =1.5
F(5) is 15.5 f(6) is 19
40 cm. Just divide the area by the length. Hope this helps!
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189