1,744 Answered Questions for the topic Functions
11/08/21
How to evaluate continuity of this function?
f(x) = {((e1/x )/(1+e1/x)) if x ≠ 0 {1 if x= 0Now I can either directly put x=0 in left and right hand limits after evaluatingf(0) = 1.In which case 1/x approaches infinity and function...
more
11/08/21
need help with implicit differentiation
Here is the question:Find dy/dx using implicit differentiation.(3x^2+8y)/(4x+5y^2)=-22Here is the answer I got: (6*x^2 + 15*x*y^2 - 16*y)/(15*x^2*y - 16*x + 20*y^2)I know I need to First clear the...
more
11/08/21
Find the local linear approximation L(x) of the function f(x)=x^2+3 at x=1 .
f(x)=x2+3 at x=1
11/08/21
How to solve this?
Find the equations of tangents for the implicit function x3y+cos(x2y)=x2 at the points on the curve where y=0.
Functions Algebra 2
11/07/21
Let f ( x ) = 14 − x Calculate f ^-1(x)=
Functions Algebra 2
11/06/21
Given f ( x ) = | x | , after performing the following transformations: shift to the left 98 units, compress vertically by a factor of 1/93 , and shift downward 3 units, what is g ( x ) =
Functions Algebra 2
11/06/21
If f is one-to-one and f ( − 11 ) = 5 , then f^-1(5) = and (f(-11))^-1 =
Functions Algebra 2
11/06/21
Let f(x) = 11 - x^2 , x ≥ 0 Calculate: f^-1(x) =
Functions Algebra 2
11/05/21
Use abs(x) for |x|. Given that f(x) = |x| and g(x) = 6x+4 , calculate: f o g (x) , g o f (x) , f o f (x) , and g o g (x) .
Functions
11/04/21
Write the function rule for the output is 2 less than 3 times the input.
Write the function rule for the output is 2 less than 3 times the input. Which I don't really get and it is supposed to be an equation.
Functions Algebra 2
11/04/21
Express the function h ( x ) = ( x + 6 ) ^8 in the form f ∘ g . If f ( x ) = x ^8 , find the function g ( x ) .
Express the function h(x)=(x+6)^8in the form f∘g. If f(x)=x^8, find the function g(x).
11/03/21
How to prove jk=e^j-k using functions and perpendicular tangents
The graphs of the functions f(x)=e^kx and g(x) = e^-jx have tangents which are perpendicular to each other when x=1. Prove hat jk=e^j-k.I tried doing this question and thought i was doing well...
more
Functions
10/31/21
Determine the equation in factored form for a quadratic function with x intercepts -2+√5 and -2-√5 containing the point (-4,5)
10/29/21
Graphs of rational functions
Identify the rational function with smallest degree in the numerator and denominator whose graph matches the graph given below. The function has an x-intercept at x=−1 and a y-intercept at y=2.
10/29/21
Consider the following polynomial. Use synthetic division to identify integer bounds of the real zeros. Find the least upper bound and the greatest lower bound guaranteed by the Upper and Lower.
Consider the following polynomial. F(x) = x^3 + x^2 − 22x − 40Use synthetic division to identify integer bounds of the real zeros. Find the least upper bound and the greatest lower bound guaranteed...
more
Consider the following relation. Find four points contained in the inverse. Express your values as an integer or simplified fraction.
Consider the following relation. y = −x − 5 Find four points contained in the inverse. Express your values as an integer or simplified fraction.
10/29/21
Determining the Equations of Rational Functions
determine the equation of a rational function, in factored form, with the following characteristics:
as x →∞ , y → -0.5
domain: x ∈ (-∞, -2) or (-2, 3) or (3, ∞)
zeros; -3 (order 1) and 2 (order 2)
Functions
10/27/21
Find the value for the function
I'm getting the wrong answer to the following question. Find f(x + 1) when f(x) = x2 - 9 / x + 3i added 1 to each portion of the formula to get x2 + x - 8 / 2x + 4the correct answer is x2 + 2x - 8...
more
10/26/21
Hi, I need help with Inverse Functions and thank you
State if given functions are inverseg(x)=4-3/2x f(x)=1/2x+3/2 2.g(n)=-12-2n/3 f(n)=-5+6n/5Find the inverse of each function
h(x)=3√x-3
g(x)=1/x-2
h(x)=2x3+3
Find the...
more
10/23/21
Hi I really need help. Plz do all the problem
g(a)=a2-3a h(a)=3a-1 Find g(h(a))2.g(t)=-tFind g(g(t))3.g(x)=3x+3 f(x)=x3-3x2 Find g(f(x))
Functions
10/20/21
I Really Need Help With This Question, It Is In The Description Below
Factor f(x) = x^2 - 12x + 36 - 9y^2 by grouping as a difference of squares.
10/19/21
The line 3y−6x+9=0 is parallel to which other line?
Between this options
y=3−2x
y=x−3
y=2x+10
y=6−6x
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.