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Answer:
im sorry i dont understand
Step-by-step explanation:
The function f(x) is a function of the variable x.
To solve the function for x = 30, just plug in 30 for x.
14 - 0.5(30) = -1
f(30) = -1
A zero in front of the x would make this a difference of two perfect squares. All of the other option would interfere by adding another term.
