1,744 Answered Questions for the topic Functions

07/03/21

Expoenential Functions (interest)
How much would you need to deposit in an account now in order to have $4000 in the account in 5 years? Assume the account earns 7% interest compounded monthly.$________
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Functions Exponents

07/03/21

Exponential functions people population
Statesville's population in 2010 was about 24,400, and was growing by about 1% each year. If this continues, what will Statesville's population be in 2020? [Round to the nearest... more
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Functions Math Algebra 1 Sat Math

06/30/21

Find the domain and range of x+1/x-2.
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06/29/21

The point (-1,-6) is on the graph of y=2f(1/4(x-3))+7. Find the original point on the graph of y=f(x)
Plz help me solving this prob asapThe point (-1,-6) is on the graph of y=2f(1/4(x-3))+7. Find the original point on the graph of y=f(x).
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06/26/21

Find the inverse function of f(x)= 1/(3x−1)
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Functions Math Algebra 1 Algebra

06/25/21

Find the inverse function of f(x)= 1/3x−1 . Let, f(x)=3x+7,g(x)=2√x−3 . Find f(g(3)) and g(f(3)).
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Functions Math Algebra Exponents

06/25/21

In the expansion of the expression below, the constant term is 16 128. Find the value(s) of k.

In the expansion of the expression below, the constant term is 16 128. Find the value(s) of k. I don't understand how to do this, if someone could provide help it would greatly be appriciatedx2(k/x... more
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Functions Math Trigonometry

06/24/21

Coastal city question

At this one coastal city, the tides vary greatly during the day. During May, the predicted height of the tides are 3.0 m at 4 AM, 11 m at 10 AM, 3.0 m at 4 PM and 11 m at 10 PM. Assume we start the... more
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06/22/21

If f(x)=2x−3 and g(x)=−x^2+5 , then find f(g(x)) .
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06/22/21

Assume m>sqrt of 3 . Express using m the area of the triangle bounded by the lines y=(sqrt of 3)x+1,y=(negative sqrt of 3)x+1,and y=m(x-4)
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06/22/21

Given f(x)=2x^2−3 , then evaluate f(x−h)+f(x) divided by h , where h is not equal to 0 .
Given f(x)=2x2-3, then evaluate [f(x−h)+f(x)]÷h, where h is not equal to 0.
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Functions Trigonometry

06/21/21

Ferris Wheel Question
As you ride the Ferris wheel, your distance from the ground varies sinusoidally with time. Let t be the number of seconds that have elapsed since the Ferris wheel started and let d be the number of... more
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06/21/21

Hyperbolic functions
Below is a value of hyperbolic sine x. Use the definitions for hyperbolic functions and the identity hyperbolic cosine squared x - hyperbolic sine squared x = 1 (cosh^2 x - sinh^2 x = 1) to find... more
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06/20/21

Vectors, Linear Map; Injective and surjective
Let vector, v = - j + k in R3f : R3 ---> R3f(u) = v x u + 2u for u in R3 (u, v, j, k are vectors)How can we determine if f is surjective or not? How can we determine if f is... more
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06/20/21

A triangle is bounded by the lines y=0, y=2x and y=-x/2+k, where k is positive. Find the value of k knowing that the area of the triangle is 80
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Functions Math Algebra

06/19/21

EXPONENTIAL FUNCTIONS TASK
i) Create an exponential function, m(x), that contains the point (5,3). Verify, using any technique that m(x) contains the point (5,3). Then, design an equivalent exponential function to m(x),... more
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06/17/21

What could be the eigenvalues of the transpose of a matrix?
A is an nxn matrix and f : Rn,n ---> Rn,nf(A) = f(AT)How can I find the eigenvalues of f? Thank you for the help,
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Functions Calculus

06/16/21

Need help with tricky question about functions
I'm stuck on the following question, (particularly part b), can someone help me please? Have an exam tomorrow so help ASAP would be appreciated!For the function f(x)=mx3 + x2 + nx + p, where m, n,... more
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Functions Trigonometry

06/16/21

Create an algebraic sinusoidal model relating the rotation angle to blade height above the table.

Rotation Angle () Related Acute Angle () Exact value of sin() Height of Blade above Table... more
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Functions

06/14/21

What is f^-1(−2 given that f(x) = (x +1)/2
Given that f(x) = (x +1)/2, find f^-1(−2)
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06/10/21

If f(x) = 3x-8, what is f^-1(-4)
I was given the following Piecewise function:f(x) = 3x-18, x<0f(x) = x2-8, 0≤x<3f(x) = (x-2)3, x≥3And I was asked:What is f -1(-4)It was multiple choice. The given answers were:A: -20B: 3/4C:... more
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Functions Math

06/10/21

Describe what happens to the domain and range of a logarithmic function under both a horizontal and a vertical translation. Support your explanation with diagrams.
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Functions Math

06/10/21

What happens to the domain and range of a logarithmic function under a vertical reflection. Support your explanation with diagrams.
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06/09/21

I need help understanding functions.
Give the equation of a line that goes through the point (4,−2) and is parallel to the line 7x−4y=12.Write your equation in slope-intercept form.
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Functions Algebra 2

06/09/21

Find the function

Given the function f(x)=-2x+6 and the transformations (h(x)=3f(x)) write the new function and describe graphically
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