If 3x+1=-8, What is the value of (x+2)3?
a -1
b 1
c 8
d 125

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I’m pretty sure the answer is negative 3
You subtract one from both sides which gives you 3x = -9. You divide x which gives you negative 3. Then you plug -3 in for x for the other equation. -3 plus 2 equals negative one and -1 times 3 equals -3

Aquadratic function is one of the form f(x)=ax2 + bx + c l, where a,b, and c are numbers with are not equal to zero.