X^2+11x+18<0 ----- Subtract 18 from both sides
(x+2)(x+9)=0-------- Factor the left side
------Set factors equal to zero
Your answer is -9<x<-2
You need to get the x’s by themselves. Subtract the 6 making 4x=2 1/2x +6. Then subtract the 2 1/2x making 1 1/2x=6. Finally you need to do 6/1.5=x. I did 1.5 because it is the same as 1 and 1/2z your answer will be 4.
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Step-by-step explanation:
part A
all listed features (A - F) are correct and to be selected.
part B
the average rate of change is
(f(x2) - f(x1)) / (x2 - x1)
so,
(f(0) - f(-2)) / (0 - -2) = (2 - 0) / (0 + 2) = 2/2 = 1
Answer:
19
Step-by-step explanation:
2x+7=45
2x=45-7
2x=38
2x/2=38/2
X=19
