The function that could be represented by Rebecca’s graph is f(x) =-2(5/4)^x+3
<h3>How to determine the function that could be represented by Rebecca’s graph? </h3>
The properties are given as:
- The function is decreasing.
- The left end is approaching a constant.
For an exponential function to keep decreasing, one or more the following must be true:
- The rate is less than 1
- The leading factor is negative and the rate is greater than 1
For the left end of an exponential function to approach a constant, the following must be true:
- The leading factor is negative and the rate is greater than 1
The equation that has the above properties is f(x) =-2(5/4)^x+3
Hence, the function that could be represented by Rebecca’s graph is f(x) =-2(5/4)^x+3
Read more about exponential functions at:
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Answer:
Step-by-step explanation:
1/2
♥ The X is meaning to times this equation.
♥ Time/Multiply.
♥ You can see this as • x or * when doing multiplication.
♥ Therefore if we solve:
♥ 80*34 we get
♥ 2720
Please elaborate, your question is not precise. What is the time frame you are asking about?
Answer:
Amanda will catch up Ben after 0.6 hours.
Step-by-step explanation:
Amanda begins jogging along the same path at 7 mi/h.
This means that Amanda's position, after t hours, is given by:
Ben starts walking along a path at 2 mi/h.
Amanda leaves after one and a half hour, which means that Ben will be at position 2*1.5 = 3. So Ben's position after t hours is given by:
How long (in hours) will it be before Amanda catches up to Ben?
This will happen when:
So
Amanda will catch up Ben after 0.6 hours.