Which graph represents an exponential function?
2 answers:
Answer:
The graph attached represents an exponential function.
Step-by-step explanation:
An exponential function is represented by a hyperbola which shows some proportionality on the numbers.
The common thing about exponential functions is that they reach infinity.
One example of an exponential function is the graph of
The graph is a hyperbolic curve that continues without a definite value.
Another example of such a graph is the graph of :
As the value of y increases, the graph reaches closer and closer to the x- axis but takes forever to reach such a value of intersection.
We say such graphs reach infinity with the y-value.
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Answer:
Step-by-step explanation:
- When it happens that the product of the factors is the same as zero. It is divided into two possible cases.
- We solve the two equations:
Answer:
Length = 8 inch , Width = , This equation models the situation
Step-by-step explanation:
Given as ;
The Area of Rectangle is 12 inches²
The Length of Rectangle is 5 inches longer than twice the width
Let The Length = L inches
The Width = W inches
According to question ,
L = 5 + (2 × w )
∵ The Area of Rectangle = Length × width
Or, 12 inches² = [ 5 + (2 × w ) ] × w
Or, 12 inches² = 5 w +2 w²
Or, 2 w² + 5 w - 12 = 0
Or, 2 w² + 8 w -3 w - 12 = 0
Or, 2 w (w +4) - 3 (w + 4) = 0
I.e (w + 4) ( 2 w - 3) = 0
So , w = -4 , and w =
∴ Length = 5 + (2 × w ) =
Length = 5 + (2 × )
so , L = 5 + 3 = 8
Hence Length = 8 inch , Width = This equation models the situation Answer