After an advertising campaign, the sales of a product often increases and then decreases. Suppose that t days after the end of the advertising, the daily sales are f(t)=−2t^2 +35t+120 Units   What is the average rate of growth in sales during the fourth day, that is from t=3, t=4 ___ units per day What is the instantaneous rate of change in sales when t=2 _____  units per day.

Q: A cat is falling from a branch. Its height t seconds after it fell is given by the function h(t) =…

A: We have given height  ht=-16t2+5 To get for what height cat was falling  Put t=0 h0=0+5 h0=5 height…

Q: Suppose the income from an Internet access business is a continuous income stream with annual rate…

A: We have given the rate of annual flow,f(t)=900 t e-0.1t

Q: The level of water in a tank is decreasing such that its depth, d, can be modeled by d=18(.92)^h,…

A: Topic:- persentage

Q: A person invested $530 in an account growing at a rate allowing the money to double every 8 years.…

A: Given problem is : A person invested $530 in an account growing at a rate allowing the money to…

Q: How does the average rate of change differ for a linear function versus an increasing exponential…

A: Given two function a linear function and an exponential function.

Q: Suppose a county's population can be approximated with the function P(t)=34(1.00804)^t where t is…

A: Given t  is the number of years since 2000 So, 2000 means t=0  At t=0  So the population of 2000 is…

Q: The following function takes t, the number of years since a number of elk were released into a…

A: To find out the number of years it will take to rach 270

Q: In mid to late March a COVID analyst predict the number of US cases could be modeled by the function…

A: Given: In mid late March a COVID analyst predict the number of US cases could be modeled by the…

Q: In 2005 a record 51.5% of paper consumed in the US was recycled.  The American Forest and Paper…

A: Given, In 2005 a record 51.5% of paper consumed in the US was recycled.  The American Forest and…

Q: The function h(x)=5000⋅(1.08)^x, represents a loan taken out by a college student. x represents time…

A:

Q: average cost per gigabyte of RAM can be approximated by the function C(t)= 8,500,000(0.65)^ t, where…

A: Given query is to find the the average cost of ram for the given time.

Q: In order to save up for Post Secondary, Narissa’s parents invested $4500.00. Their money earns…

A: Given, A0= $ 4500 k= 2 r=8%= 8/100= 0.08 t= 5 years

Q: The value, v of a computer is modeled by the function V(t)=500(0.82)^t where t is the number of…

A: The value of computer is modeled by the function,  V(t) = 500(0.82)t Where t is time in years

Q: $1000.00 is invested for at annual interest rate of × %. I the investment is worth $1500.00 after 15…

A:

Q: (d) Can you think of other variables that might explain the variation in monthly rent?

A: Given: Size (square feet) Rent ($) 850 1950 1450 2600 1085 2200 1232…

Q: The amount of a substance remaining (in grams) is given by the function P (t) = 1.9(.89)^t/2 where…

A:

Q: The Rule of 70 says that the time necessary for an investment to double in value is approximately…

A: