An 80-year-old athlete has his speed in km/h modeled by the function f(t) = -t^2 + 16t, where t is the time in minutes. What is the maximum speed that the runner reaches? How long does it take for him to stop? Sketch the graph.

Q: Describe what you would do to graph f(x) = -1/x .

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Q: The value, V, of a computer can be modeled by the function V (t) = 1, 300(.61)", where t is the…

A: The given model is: V(t)=1333(0.61)t Where, t is in years.

Q: T represent the number of years in 2000. I’m 2005 t= 5 there were 9.3 billion monthly text messages.…

A: Given function :

Q: Graph the function f(x) = x-1

A: f(x)=x-1 For x-intercept: f(x)=0 =>x-1=0 =>x=1 For y-intercept: x=0 f(0)=0-1 =>f(0)=-1

Q: A large pharmaceutical company uses the function f(x)=1.454x-2917 to model the amount of money, in…

A: Substitute 2013 in place of x

Q: A bathtub that intially holds 65 gallons of water starts draining at rate of 8 gallons per minute.…

A: Construct a function for the number of gallons of water W (t) in the tub after t minutes of draining…

Q: EAT has been selling their very own Platinum Eco-Charger since the beginning of this semester. If…

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Q: Sketch the graph of the function

A: given,          y=5ex2+5

Q: You record the temperature every hour from midnight until 8:00 am. You see that the temperature ( in…

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Q: The rate at which photosynthesis takes place for a species of phytoplankton is modeled by the 841…

A:

Q: A music investor analyzes data from 2004 to 2016 on the revenue earned from digital music sales. He…

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Q: Fix=x^2-1  sketch the graph of the function

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Q: use the letters in the equation f(x)=(x-a)^2+b, to describe how the graph is shift from the graph of…

A: The graph of fx=x-a2+b can be obtained from the graph of fx=x2  as follows: First shift  fx=x2…

Q: Based on data from Hurricane Katrina, the function defined by w(x) = -1. 19x +990 gives the wind…

A:

Q: 0001.08x  describes the growth of an investment (in dollars) based on the number of years it's been…

A: Basic calculation