C is incorrect. 8f represents the cost of 8 formulas, not just the cost of one formula.
Answer:
A
Step-by-step explanation:
Becaus it is
then ship that f...... box somewhere becuase all i can think of unless your trying to steal it.
Answer:
a). 0
Step-by-step explanation:
f(1) = 1 - 1
= 0
The quadratic formula is ![\frac{-b+-\sqrt[2]{b^2-4ac}}{2a}](https://tex.z-dn.net/?f=%5Cfrac%7B-b%2B-%5Csqrt%5B2%5D%7Bb%5E2-4ac%7D%7D%7B2a%7D)
and in the equation ax^2+bx+c=0
so now all you have to do is substitute the numbers into the quadratic formula