A sequences is defined by f(0)=-20 f(0)=−20 , f(n)=f(n-1)-5 f(n)=f(n−1)−5 for n≥1 . Complete the expression f(10)=-20- f(10)=−20− . Explain your reasoning.

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

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step-by-step explanation:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94