johnnybones03
27.07.2021 •
Mathematics
Which graph corresponds to the function f(x) = x2 + 4x – 1?
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Ответ:
1
Step-by-step explanation:
I graphed it to check. x^2+4x-1 has a vertex of (-2,-5).
Ответ:
Hi there! :)
We can disregard the units temporarily to create a ratio for 4.5 to 4:
4.5 is not a whole number- we can convert this number in the ratio to a whole number by multiplying both numbers by 2:
2 · (4.5 : 4) = 9 : 8
Express as a fraction: