one may note that, your calculator besides having a [ ! ] factorial button, it also has a [ ₙPᵣ ] button for permutations, and you can use that too.
Answer: x = 1
<u>Step-by-step explanation:</u>
-2x² + 4x + 1
a=-2 b=4 c=1
Answer:
Vertex is (5,-9)
Step-by-step explanation:
-2 is the function i think