1,744 Answered Questions for the topic Functions

I Need Help With Writing a Polynomial Function Equation (College Algebra)

The question asks"Find a degree 4 polynomial having zeros −5, −2, 4 and 5 and the leading coefficient is equal to −2. "P(x)=??? I need help finding the factored form, not simplified.I have tried 3... more
Functions Calculus

04/18/19

f is a quadratic function with maximal value 5 at point x =-3. Find the sum of the roots of the equation f (x)=0

f is a quadratic function with maximal value 5 at point x =-3. Find the sum of the roots of the equation f (x)=0

calculus help me

Find the range of the function f(x)=x2-2x+1 if x∈[-2:3)
Functions Precalculus

04/10/19

Find equation of the line slope in intercept form

Find an equation of the line that passes through (2,7) and that is parallel to y=5x+4. Give the answer on slope-intercept form. The equation of the line in slope-intercept form is ?
Functions Algebra 1

04/10/19

The total cost c for p pounds of plutonium if each pound costs $5.91

Functions Calculus

04/09/19

Function evaluating

Evaluate the function x=3. Round the answer to three decimal places. In the space provided, type the answer without any spaces between the letters,numbers,or symbols. f(×)=2 exponentx
Functions Calculus Algebra

04/05/19

calculus help me

Let f(x) = x^3 − 9x^2 − 16x + 1 and g(x) = x^3 − 0.5x^2 + x. Find the value of x where the tangent line of the graph of f(x) is parallel to the tangent line of the graph of g(x)
Functions Calculus

04/02/19

f(6) if f(x) = 2x -5

Find the function value

03/24/19

Describe the relationship between minutes and monthly cost

Minutes = Xmonthly cost= YLinear Equation is Y=5x+30 (y=mx+b)

03/23/19

What kind of "mathematical object" are limits?

When learning mathematics I tend to try to reduce all the concepts I come across to some matter of interaction between sets and functions (or if necessary the more general Relation) on them.... more
Functions Math Science Algebra

03/22/19

A fossil contains 4​% of the​ carbon-14 that the organism contained when it was alive. estimate its age. Use 5700 years for the​ half-life of​ carbon-14.

A fossil contains 4​% of the​ carbon-14 that the organism contained when it was alive. estimate its age. Use 5700 years for the​ half-life of​ carbon-14.
Functions Math Calculus Algebra

03/21/19

Help!! what value of r is the known surface area of a sphere, given by the function S(r)=4πr^2, numerically equal to the known volume of the sphere given by the function V(r)=4/3πr^3?

can someone help me with these questions.Write the equation of the square root function described.The function value, f(x), is an ordered pair,(x,f(x) , on a circle of radius 5 with its center at... more

03/21/19

The dimensions of a piece of paper used to wrap a rectangular package are x and 2x−1inches. What is the function with the dimensions that result in the maximum area for the wrapping paper?

Determine the type of function--exponential, linear, or quadratic-- that is most appropriate to model the situation described. Then, use the chosen function model to complete the problem.
Functions Algebra 2

03/19/19

F(x)=-5 is/are x=

Functions Algebra 2

03/19/19

How do I solve this problem?

Function f(x)=6000e^0.01xx=5Evaluate the function at the given value of x
Functions Algebra 2

03/19/19

How do I find out how high is the ball when punted?

The path of a punted football is modeled by f(x)=-16/2025x^2+9/5x+1.5
Functions Algebra 2

03/18/19

Write the function in the form f(x)=(x-k)q(x)+r

Write f(x)=x^3-x^2-24x+15, k=5 as f(x)=
Functions Algebra 2

03/18/19

How do I find A(x) ?

A rancher has 200 feet of fencing to enclose two adjacent rectangular Corrals.Write the total area A of the Corrals as a function of x

03/17/19

Trigonometric equation

1) cos(2x)=sin(x)2) study continuity of this function:sqrt(2/3-x)^2 if x>2/3(2-3x)/(x-1) if x equal or < 2/3
Functions Algebra 2 Algebra 2k

03/16/19

function notation

f(x)=5x-15 if f(x)=75 find the value of x

03/14/19

Find a polynomial with degree n=3, with zeros of 1 and 5i. Where f(-1) = -104

This is as far as I got(x-1)(x+5i)(x-5i)(x-1)(x^2+25)x^3-x^2+25x-25f(-1) = (-1)^3 - (-1)^2 + 25(-1) - 25 = -1 - 1 - 25 - 25 = -52 this does not equal -104, but is exactly half, what am... more
Functions Quadratics

03/12/19

Finding quadratic equation

The braking distance of a car travelling at 100km/h is 40 metres. The formula for braking distance (d) in metres is d=kx2 where k is constant and x is speed in km/h. a) Find the value of k

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