true or false in deductive thinking you start with a given set of rules and conditions and determine what must be true as a cons
2 answers:
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Answer:
-1±i
Step-by-step explanation:
Im assuming the question is asking what the roots of x^2+2x+4=2 are.
1. x^2+2x+4= 2 - subtract 2 on both sides to set the quadratic equation equal to zero.
2. x^2+2x+2 - now, since this equation cannot be factored the quadratic formula must be used: -b± (standard form: ax^2+bx+c)
3. -2±/2(1)= (-2±
)/2
4. using complex numbers this can be rewritten as -1±i.
Answer:
C. The value of the comic book decreased by an average of $0.04 each month between m = 36 and m = 60.
Step-by-step explanation:
The average rate of change for the function f(x) from and
is
It is a measure of how much the function changed per unit, on average, over that interval.
Actually, this is the slope of the line passing through two points on the graph of the function.
If the average rate of change of the function f(x) between m = 36 and m = 60 is -0,04, it means that the value of the comic book decreased (because of negative number -0.04) by an average of $0.04 each month (a unit in this case is a month) between m = 36 and m = 60.