3 years ago

Let f(x) = x2 − 8x + 5. Find f(−1)

Mathematics

2 answers:

Vika [28.1K]3 years ago

8 0

$f(x) = x^2- 8x + 5$

$f(-1) = (-1)^2- 8(-1) + 5$

$f(-1) = 1 + 8 + 5$

$
f(-1) = 9 + 5$

$f(-1) = 14$

Darya [45]3 years ago

7 0

f(x) = x² - 8x + 5
f(-1) = (-1)² - 8(-1) + 5
f(-1) = 1 + 8 + 5
f(-1) = 9 + 5
f(-1) = 14

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