An exponential function can represent growth or decay.
The graph represents an exponential growth function is given by .
An exponential function is represented as:
Where:
a represents any constant value.
b represents the growth or decay rate of the function
When the value of b is greater than 1, then the exponential function represents growth
Graph shown below represents an exponential growth function.
Hence, the graph representing an exponential growth function is graph traced by .
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Answer:
D.
Step-by-step explanation:
The wildfire begins at a size of 8 square feet
It means that initial area =8
It then doubles its width every x hours,
and doubles its length every y hours
so, we can set up equation
now, we can simplify it
we are given
After a period of time, the wildfire covers 14,000 square feet
so, we can set A(x,y)=14000
we get
Answer:
Step-by-step explanation:
5^2x=7^x+1 ⇔ ln5^2x = ln7^x+1 ⇔ 2xln5 = (x+1)ln7 ⇔ (2ln5-ln7)x = ln7
⇔ x = ln7/(2ln5-ln7)