An equation is formed of two equal expressions. The equation of the exponential graph is A=100(0.5)ˣ.
<h3>What is an equation?</h3>
An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
The equation of an exponential function is given by the formula,
y = A (B)ˣ
Now as per the graph, there are two points (1, 50) and (2, 25).
50 = A (B)¹
50 = AB
A = 50/B
Substitute another point in the equation,.
25 = A (B)²
25 = (50/B) (B)²
25 = 50B
B = 0.5
Substitute the value of B,
A = 50/0.5 = 100
Hence, the equation of the exponential graph is A=100(0.5)ˣ.
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31/40
replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40
Answer:
Second Option
Step-by-step explanation:
A constant function is one for which the range does not change regardless of the value of the domain.

Where m is a constant.
The constant functions are horizontal lines parallel to the axis of the x
Note that
is not a constant function because the value of y changes when x changes.
x = 1, y = 1
x = 2 y = 2
is not a constant function because the range of the function is not constant.
is a vertical line
is a constant function, since for any of the value of x, the value of y will always be 5