Answer:
Nonlinear
Step-by-step explanation:
This is nonlinear because its parent function is y = . The parent function of a linear equation is y = x.
I hope this helps :))
Answer:
2 pieces
Step-by-step explanation:
Given
Required
Calculate the number of pieces
To do this, we have to divide the length of the wood by the length of each piece.
Represent this with x
Convert mixed numbers to improper fraction
Change division to multiplication
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Factour ouf 3
f(x)=3(x²-9)
recognize diference of 2 perfect squres
a²-b²=(a+b)(a-b)
x²-9=x²-3²=(x+3)(x-3)
so
f(x)=3(x+3)(x-3)
seto to zero to find roots
0=3(x+3)(x-3)
0=x+3
-3=x
0=x-3
3=x
roots at x=-3 and 3