1,744 Answered Questions for the topic Functions

12/18/20

Rational Functions
True or false. Horizontal asymptotes can be found by substituting extremely large negative and positive values for x to determine what value y-approaches.
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Functions Calculus

12/18/20

What is the inverse of a function y=xsqrt(3+x^2)
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12/18/20

find the h(x) and g(u) such that f(x)=g[h(x)]
f(x) = √3x-7f(x) = 4x²-x-7
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12/18/20

john henry will build a rectangular corral using 200 meters of barbed wire. describe the area of the corral are a function of one of its sides
john henry will build a rectangular corral using 200 meters of barbed wire. describe the area of the corral are a function of one of its sides.
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12/17/20

Rational Functions
Write the equation of a possible rational function given the following information. A) Vertical asymptotes x=-1,2 and x-intercepts at x=-3 and x=4 B) vertical asymptote x=2, discontinuous point... more
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Functions Math Algebra 2 Algebra

12/17/20

Compositions using functions
. Complete the compositions below given the following functions: g(x)=x+4 d(x)={(2,1)(3,5)(−4,2)(−3,1)} t(x)=2x2 +3x−1 d(2) 2. g(-3) 3. t(x)= 8 4. t(g(x)) 5. Explain if d(x) is a function 6.... more
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12/17/20

A washer and dryer cost a total of $1180. The cost of the washer is three times the cost of the dryer. Find the cost of each item.
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12/16/20

Analyzing Rational Functions
Lenny Leonardson can paddle in still water at a speed of 4km/h. If he paddled 8km upstream against the current and then paddled 8km back downstream with the current and the total trip took 5h, what... more
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12/16/20

Graphing rational functions
Lenny Leonardson can paddle in still water at a speed of 4km/h. If he paddled 8km upstream against the current and then paddled 8km back downstream with the current and the total trip took 5h, what... more
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12/15/20

Analyzing Rational Functions

A car can travel 450km in the same time it takes a train to travel 350km. if the car's average speed is 20km/h faster than the average speed of the train, what is the average speed of the car on... more
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Functions Precalculus Algebra

12/15/20

Analyzing Rational Functions

Lenny Leonardson can paddle in still water at a speed of 4km/h. If he paddled 8km upstream against the current and then paddled 8km back downstream with the current and the total trip took 5h, what... more
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12/15/20

Consider the following function: p(x) = x^3 -2x +13x+ k. The remainder of the division of p(x) by (x+1) is -10. What is the remainder of the division of p(x) by (x-1)?
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12/15/20

Find all zeros of the given equation: f(x)= x^4+2x^3-4x^2+8x-32=
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Functions

12/15/20

How would you translate the graph of y=x^2 to produce the graph of y=-x^2-4?
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Functions

12/13/20

Exponential Functions
The Math Club starts with 12 members. If the club adds 10% more members each month, how many members will they have in 2 years?
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12/12/20

Given f(x) is a linear equation, with f(−3)=12, and slope m =−2, what is the equation for the line in standard form?
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12/11/20

I need help on a math problem

A woman wants to put some chicken-wire fencing around her strawberry patch to keep the rabbits out. She has 40 feet of fence to use.a) Write an equation for the perimeter of the strawberry patch... more
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Functions Math

12/11/20

find f(4) f(x)=-9x+7
i need help on this i really don’t understand it
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Functions Math

12/11/20

find f(4) f(x)=-9x+7
i need help on this i really don’t understand it
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12/10/20

How do you write a polynomial function of least degree with integral coefficients that has the given zeros?
I'm stumped on a homework problem:Write a polynomial function of least degree with integral coefficients that has the given zeros3 + 2i, 3i
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Functions Math Algebra 2 Algebra

12/09/20

Finding Revenue Function
An apartment complex is currently renting out 200 units at $1500/month each. For every $50 increase in monthlyrent, the number of units rented decreases by 5. Find the revenue function.
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Functions Math Algebra 2

12/09/20

Find g(n) + f (n)
g(n) = 4n - 1 f (n) = n^3 + 4n^2Find g(n) + f (n)
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12/09/20

(Algebra II) A rational function, R(x) has the following characteristics:

A rational function, R(x) has the following characteristics: a vertical asymptote at x = 3, a horizontal asymptote at y = 2, and a hole at (2, −2). Sketch the function and determine what it... more
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Functions Math Algebra

12/07/20

let f(x)=x^2-2x and g(t)=2t+5
1.      Let f (x) = x^2 - 2x and g (t ) = 2t + 5 . a.) If x = 4 , find f (4) . Now find g ( f (4)). This is called composing g with f.b.) If we let h (x) = g ( f (x)), find an explicit algebraic... more
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12/06/20

Inverse Trig Function word problem
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 83 degrees and the low temperature of 67 degrees occurs at 5 AM.... more
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