f(x) = x²<span> - 5x + 1
f(-3) = (-3)</span>² - 5(-3) + 1
<span>
f(-3) = 25
</span>--------------------------------------------------<span>
Answer: f(-3) = 25 (Answer C)
</span>--------------------------------------------------
Not sure if this is what your looking for but 25x10=250
Do 13 times 14 times 13 times 5 and then divide by however many sides there are on the shape . I think