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Answer:

Step-by-step explanation:
we know that
The graph of the figure represent a vertical parabola open upward
The vertex represent a minimum
The vertex of the quadratic equation is the point (h,k)
The range of the quadratic equation is the interval for y [k,∞)

Looking at the graph
The vertex is the point (0,-6)
therefore
The range is the interval [-6,∞)

Answer:
f(x) = 2(4^x)+3
this gets you horizontal asymptote of y = 3
Step-by-step explanation:
Not if you know your mathmatics
Use the formula a squared plus b squared =csquared in this case you will come out with an equation like this
3sqaured + bsqaured =12squared
9+bsqaured =144
144-9= b= 135
B=approximately 11.5