f(-1) = 7.
Step-by-step explanation: To find the value of f(-1) for the function f(x) = x^2 - 2x + 4, simply substitute -1 for x in the expression:
f(-1) = (-1)^2 - 2(-1) + 4
Now, calculate the expression:
f(-1) = 1 + 2 + 4
f(-1) = 7
So, f(-1) = 7.
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