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11,495 Answered Questions for the topic Algebra

12h

Find the inverse of the function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
Find the inverse of the function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
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16h

Hot dogs and Soda
You are selling hot dogs and sodas. Each hot dog costs $1.50 and each soda costs $0.50. At the end of the night you made a total of $78.50. You sold a total of 87 hot dogs and sodas combined. You... more
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17h

Help with this question!
What is an example of a polynomial you could add to h(x) to generate a polynomial with a degree of 5?h(x) = -3x^6 + 2x^4 - 3x^2
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17h

Adding/ Subtracting Polynomials

Use the following polynomials to determine the sum or difference:f(x) = 3x^2 g(x) = 5x^4 - 2x^3 h(x) = -3x^6 + 2x^4 - 3x^21) f(x) + g(x): 2) g(x) + h(x): 3) h(x) - g(x):
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18h

If 900 grams of a radioactive substance are present initially and three years later only 300 grams remain, how much of the substance will be present after six years?
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18h

Greatest Possible Error
A man's waist measures 90 cm. What is the greatest possible error for the measurement?Can someone help me work through this problem?
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21h

When lit, a candle loses 5% of its original height every hour. Jennifer lit a candle with an original height of 8 inches.
Please complete the following sentence by writing the number in the blank. Until the candle has been burning for at least _______ hours, the height of Jennifer's candle will be more than 7 inches.
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21h

The product of two binomials, u(x) and v(x), is a binomial of degree 8 with a positive leading coefficient. What must be true about the sum of u(x) and v(x)?
Here are the choices: A. It is a binomial of degree 4.B. It is a binomial of degree 8.C. It is a monomial of degree 4.D. It is a monomial of degree 8.
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22h

find a and B please
Find two numbers a and b whose sum a+b is −3, and whose difference a−b is −7.Your answer is
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1d

You have a total of 32 coins, dimes and nickels, that are worth $2.55. How many of each do you have?
You have a total of 32 coins, dimes and nickels, that are worth $2.55. How many of each do you have?
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1d

im a little confused how to find a solution please read the equation closely.....
What is the value of x in the logarithmic equation:log3√3 + logx(1/25) + loga1 - logmm = -3.5
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1d

finding polynomial (Math help)
an example of a polynomial with 2 zeros that has “both down” end behavior.
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1d

Polynomial Behavior

1) A polynomial starts with the term -3x^8. Tell me about each of these characteristics: degree: # of local maxima/minima possible: end behavior: # of zeros possible:
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1d

Polynomial Behaviour(Homework Help)
.given the polynomial: f(x) = x^4 - x^3 - 2x^2 a) What is its degree? b) How many local maxima/minima does it have? c) Describe its end behavior? d) What are its zeros?
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1d

Finding Zeros of a polynomial
) A polynomial has 2 zeros.    a) Draw an example of a polynomial with 2 zeros             that has “left up, right down” end behavior.
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2d

quick question- please help!
end behavior of f(x)=x^2+7x+12/x^2-9
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2d

Write the equation in logarithmic form.
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2d

Find the inverse of each function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
Find the inverse of the function f(x) given, then prove (by composition) your inverse function is correct. Note the domain of f is all real numbers.
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2d

Algebra MAC1105
Without graphing, determine whether the quadratic function has a minimum or maximum value. What is the value ? F(x) = -2x2+ 8x +3
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2d

Algebra MAC1105
Without graphing, determine whether the quadratic function has a minimum or maximum value. What is the value ? F(x) = -2x2+ 8x +3
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2d

Use the digits -9 to 9 (only once) to create a real solution between 30 and 80
Use the digits -9 to 9 (only once) to create a real solution between 30 and 80. Show your work to justify your answer.  and Use the digits -9 to 9 to complete the puzzle below. Try all the... more
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2d

Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find the value. f(x)=−3x2+24x
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find the value. f(x)=3x2+24x
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2d

Math Projectiles
 A 6 ft tall archer shoots an arrow at a target 300 ft away. 1.5 seconds later, it lands in the bull’s eyes which is 3 ft off the ground.
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2d

Math Projectile Question
There is a cannon on a cliff over the ocean. The cliff is 64 ft high. The cannon shoots the cannonball out at 100ft/sec. How far does it reach? 
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3d

Converting repeating decimals to fractions
Hi, I need help with converting repeating decimals to fractions. These are the problems that I am stuck on 0.4,0.22222..., and 0.787878... How do you convert decimals to fractions?
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