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We have the function f(x) = x2 − 8x + 5
We will substitute -1 for x in the function f(x) = x2 − 8x + 5
Explanation:
f(x) = x2 − 8x + 5
Substitute -1 for x in the function f(x) = x2 − 8x + 5
f(-1) = (-1)2 − 8 (-1) + 5
= 1 + 8 + 5
= 14