1,744 Answered Questions for the topic Functions
Properties and Attributes of Function
What is the domain of the functionf(x)=2x+3when the range is {3, 5, 9}please explain how! I really wanna know.
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Functions Algebra
06/22/20
Functional Relationship
Donald owes Jesse $306.24. He plans to pay Jesse $23.24 every week until his dept is paid off. Which equation best represents the relationship between the number of weeks Donald has spent paying...
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06/18/20
Calculus - Differentiation
How would I differentiate this; Would it be quotient rule? The e in the numerator is throwing me off.f(x) = e3x / x4
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What are the first four terms of a sequence given the recursive rule below?
f(n)=2×f(n-1)+3 for all n≥2 and f(1)=7A. Not enough informationB. 7, 9, 11, 13C. 7, 15, 31, 63D. 7, 17, 37, 77
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Evaluate the function, find f(-2).
Function: f(x) = 2x2 + 3xA. 2B. -10C. -14D. -2
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06/15/20
tis a little bit confusing if i say so myself.
g(x) = -5/x-8f(x) = 2xh(x) = (g • f)(x)The domain of h(x) can be shown as x ≠ k.What is the value of k??
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Functions
06/15/20
Why is the square root of f(x)= √ x - 4, when x=4, equal to f(-2) and not f(0)?
If you give x the value of 4 and 4-4=0 isn't the square root 0?Is there an order to follow?Thanks
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Given the sequence below, and that sequence has a domain of n ≥ 1, find the fifth term.
f(n) = n2 - 3A. 5B. 22C. 4D. 25
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06/15/20
answer the question as true or false
The function is not integrable on
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Functions Algebra
06/14/20
Radioactive Decay
Strontium-90 is a radioactive isotope that decays exponentially at a rate of 2.8% per year. The amount of strontium-90, S, remaining after t years can be determined by the function S1t2 =...
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Urgent Help - Calculus Graph
How would a function, f, be sketched with the following properties?f(-1)=0, f(0)=2. f ‘(x) > 0 on (-∞, -2) ∪ (-2, 3), f ‘(x) < 0 on (3, ∞).f “(x) > 0 on (-∞, -2) ∪ (0, 3) ∪ (3,∞), f “(x)...
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Functions Calculus
06/13/20
Calculus - Finding demand and revenue functions
--Manager of a 100-unit apartment complex knows that all units will be occupied if the rent is $1,000 per month. A market survey suggests that, on average, one additional unit will remain vacant...
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06/08/20
Please Help - Calculus Question
Give an example of, and explain why the example is sufficient for the following:
Functions f and g with f’(x) = g’(x), ∀x, but f(x) ≠ g(x)
A function f(x) such that f’’(x) = –f(x)
Function with a...
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06/08/20
How would logarithmic differentiation be used to find the derivative of this function?
f(x) = (((e^x(x^2+cos(x)))/(arctan(x)ln^5(3x^4)))^4
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06/08/20
What are the derivatives of these functions?
(f(x)*g(x))/g(x)
(f(x))3
(f ° g)(x)
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06/08/20
What are the derivatives of the following functions?
x2 · f(x)
4x · (f(x)+g(x))
f(x)/(g(x)+1)
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06/04/20
Word problem (infinite amount of answers)
x f(x)0 0.5525 0.32550 0.175 0.325100 0.55125 0.325150 0.1175 0.325200 0.55f(x)=0.225 sin(π/50(x-75))+ 0.325f(x)= 0.255 cos(π/50(x))+0.325Using one of these equations, how...
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Functions Math
06/02/20
Math function no idea
How do we solve this question?Consider the three statements:1. f(a+b)=f(a)+f(b)2. f(ab)=f(a)f(b)3. f(1/a)=1/f(a)What are the statements that are true for every function f?
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Functions Trigonometry
06/02/20
Word problem time and height
x f(x)0 0.5525 0.32550 0.175 0.325100 0.55125 0.325150 0.1175 0.325200 0.55y=0.225 sin(π/50(x-75))+ 0.325y= 0.255 cos(π/50(x))+0.325How would you solve how much...
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Functions Precalculus
05/30/20
Is it true that for all functions f and g, if f ºg=2x then the domain of f ºg is all real numbers?
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Functions Trigonometry
05/30/20
Periodic relationships
What are some examples of periodic relationships found around your house. It could be periodic motion, or another periodic relationship.
Describe an example that is periodic but not sinusoidal....
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Functions Trigonometry
05/29/20
Sinusoidal relationship
Create a simple sinusoidal relationship, including 2 periods. With at least 9 columns (like let's say for a bicycle wheel). Like any numbers, into a table of values. It should start from 0. I...
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Functions Trigonometry
05/29/20
Sin and cos equation
f(x) = 1 2 1 0 1 2 1 0 1x = 0 pi/2 pi 3pi/2 2pi 5pi/2 3pi 7pi/2 4piWhat is the sin equation for this and what is the cos equation for...
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Functions Trigonometry
05/29/20
Sinusoidal relationship
Create a simple sinusoidal relationship, including 2 periods. With at least 9 columns (like let's say for a bicycle wheel). Like any numbers.
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