Answer:
Step-by-step explanation:
The absolute value of an integer is the distance that separates the number from the zero position "0", that is, the absolute value of an integer is the natural number that results from suppressing its sign.
In other words, the absolute value of a real number a, written |a|, is the same number a when it is positive or zero, and opposite of a, if a is negative.
In this case IxI>= 3 means that 
This is translated as, since the absolute value of x represents the distance from zero, the solutions to this inequality are those numbers whose distances from zero are greater than or equal to 3, that is, that x is greater than or equal to 3 or x is less than or equal to -3.
Answer:
the number A(t) of grams of salt in the tank at a time is <em>A(t)=150-110e-t/50</em>
Answer:
Step-by-step explanation:
hello,
for t = 4 hours

this is 205 km
d is differentiable and

and

this is 136 km/h
d' is differentiable and

and

this is 