Answer:
f(x)= -1
f(x)= 3
f(x)= 7
f(x)= 11
Explanation:
You need to add the values of x into the function
f(x)= 4(-1) + 3
f(x)= 4(0) + 3
f(x)= 4(1) + 3
f(x)= 4(2) + 3
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