Answer:
D) 1,2
Step-by-step explanation:
Zeroes of a function are the x-values where y= 0
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Answer: 18.72
14.40*1.3
x^3+9x^2-6x-54=0
or, x^2(x+9)-6(x+9)=0
or,(x+9)(x^2-6)=0
Either
x+9=0
x=-9
Or
x^2-6=0
x^2=6
x=-9,x^2 =6
