1,752 Answered Questions for the topic Functions
Functions
07/02/20
For the linear function f(x) =ax+b, where a and b are constants, f(-2)=7 and f(2)=1,find the values of a and b?.... Please help think you...
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Functions College Algebra
07/01/20
Let p(x)=9x-5 and q(x)=6√5 . Find u(x) given that q(x)=p(u(x)).
I am having a lot of trouble figuring out this answer. Any help is appreciated! Thank you!
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07/01/20
Can someone help me with my Math homework?
1. Given and evaluate each of the following;(a) (b) (c) 2) (a) Given the following piecewise function: (i) Find f(−5),...
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How do you find the complex zeros of a function?
How do you find the complex zeros of a function after finding/knowing the positive and negative zeros?Ex. f(x)=-3x^3+6x^2+8x-16
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Minimize f (x,y) = x^2 + y^2 subject to the constraint function g (x,y) = x^2y-16 = 0.
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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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