Chapter 2.1, Problem 53E

Make Sense? In Exercises 76-79, determine whether each statement makes sense or does not make sense, and explain your reasoning. 76. There is an endless list of real numbers that cannot be included in the domain of f(x) = Vx. 77. I used a function to model data from 1990 through 2015. The independent variable in my model represented the number of years after 1990, so the function's domain was {0, 1, 2, 3, . . . , 25}. 78. If I have equations for functions f and g, and 3 is in both domains, then there are always two ways to determine (f + g)(3). 79. I have two functions. Function f models total world population x years after 2000 and function g models population of the world's more-developed regions x years after 2000. I can use f - g to determine the population of the world's less-developed regions for the years in both functions' domains.

Pls help ASAP

EXERCISE 2.9.3: Floor and ceiling functions. Compute the value of each expression. (a) ⌊−3.7⌋ (b) ⌈−4.2⌉ (c) ⌈5⌉ (d) ⌊⌊3.5⌋−4.3⌋ (e) ⌊32+⌈13⌉⌋

Thinking [11] 4. The value, V (t), in dollars, of a certain vehicle as a function of time, t, in years, depreciates according to the function V(t) = 35000 (-)*. How long will it take for this vehicle to be worth $20 000? Show all detailed work. (Round final answer to nearest hundredth)

OThe Proff+ P (in thou sends of $) for a company in terms ofthe amount $ Spent on aduertising (in thou sands of $) can be modeled by F= = -9s3 +482_84+800. Find the Point of diminishing eturns.

What is the end behavior of the function?

Which one represents a function??!

* Evaluate: Homework and Practice Exercises 1 and 2 refer to the functions f,(x) = 2.5* and f2(x) = 3*. 1. Which function grows faster as x increases toward oo? 2. Which function approaches 0 faster as x decreases toward -o? Exercises 3 and4 refer to the functions f, (x) = 0.5* and f2(x) = 0.7*. %3D 3. Which function grows faster as x decreases toward -o? 4. Which function approaches 0 faster as x increases toward oo? Label each of the following functions, g(x), as a vertical stretch or a vertical compression of the parent function, f(x), and tell whether it is reflected about the х-ахis. 5. g(x) = 0.7(0.5)*, f (x) = 0.5* 6. g(x) = -1.2(5)", f (x) = 5* Module 15 727

1.Explain what is considered an increasing function and what is considered a decreasing function? Use an example and in a table, indicate where it is increasing/decreasing.