The absolute value 
returns the "positive version" of a number.
In other words, if the number is positive, it remains positive; if the number is negative, it changes sign.
So, if we want 
, we want the "positive version" of x to be 9.
This can happen in two ways: if x is already 9, then its absolute value is still nine. If instead x=-9, its positive value will be 9 again.
In formula, we have
because
Answer:
y = 1.5x + 3.2009
Step-by-step explanation:
I plotted your points and drew a linear regression line.
Its equation is
y = 1.5x + 3.2009
The regression line ignores the fact that the points fall along a smooth curve.
A parabolic regression line fits the data much better.
The equation for that line is
y = - 0.1647x² + 4.1357x - 5.6946
It is the equation for a vertical parabola opening downward.
7.
15/2= 7.5
you cant get 7 and a half action figures so round down to 7
Answer:
y > 0 best describes the range of the function f(x) = 2(3)x.
A function whose value is a constant raised to the power of the argument, especially the function where the constant is e.
If b is any number such that and then an exponential function is a function in the form, where b is called the base and x can be any real number.
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