1,067 Answered Questions for the topic Algebra Help

05/04/14

LOG AND EXPONENTIAL
Log41=______ (fill in the blank)   For parts a and b   let x=Log4 1/16   a) Write the exponential form of the equation. b)Determine the numerical value of x, in simplest form. Show work.  
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05/04/14

F(x) help show work
Let f(x)=e3x   (a.) Find the inverse function of f. Show work. (b.) What is the domain of f ? What is the domain of the inverse function?
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05/01/14

how do i answer this problem?
how do i answer these problems   4x2*x2 3p*2p2 4x0*x2*3x4  
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05/01/14

solve the quadratic equation by completing the square. Provide the exact and decimal approximation solution
1.)  x2-4x+1=22                                      2.) x2+16x+4=0
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04/29/14

compositions of functions
Use composition of functions to show that the functions f(x)=8-3x and g(x)=-1/3 x+8/3 are inverse functions. That is, carefully show that (fog)(x)=x and show that (gof)(x)=x. Show work.
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04/29/14

compound intrest
$15,000 is invested in an account paying 2.5% annual interest compounded quarterly. Find the amount of money in the account at the end of 10 years. Show work, round your final answer to the nearest... more
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04/29/14

word problem help please
Psychologist use and exponential model of the learning process, f(t)=c(1-e-kt) where c is the total number of tasks to be learned, k is the rate of learning expressed as a decinal, t is time in... more
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Algebra Help

04/27/14

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x2 + 9x + 7
Select the approximate values of x that are solutions to f(x) = 0, wheref(x) = -8x2 + 9x + 7.
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04/27/14

Temperature and equations
 The change in temperature in a certain chemical reaction is given by the equation:T(x)=-0.324x^3+10.3x^2-3.23 x is the length of elapsed time since the start of the reaction and T(x) is the... more
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Algebra Help Algebra 1 Domain Math Help

04/27/14

Domain, x-intercepts, y intercepts
Let  P(x)=-2x^4+2x^3+12x^2 When factored, P(x)= -2x^2(x+2)(x-3) (a).State the domain. (b) State the x-intercepts: (c) State the y-intercept:
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04/27/14

solve and write interval notation
Solve  (x^2-9) ≤0  and write interval notation for the solution set. Show careful algebraic work/explanation.              x
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Algebra Help

04/25/14

Evaluate the Polynomial -2x^2 - x + 3 A. x = 2 B. x = -1
Evaluate the Polynomial -2x^2 - x + 3 A. x=2 B. x=-1   I am have real problems with this one.
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04/23/14

Intermediate Value Theorem
For f (x) = x^4 – 3x^2 − 8, use the Intermediate Value Theorem to determine which interval must contain a zero of f. Work/Explanation required 4. _______ A. Between 0 and 1 B. Between 1 and... more
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04/23/14

function help please
Let f(x)=   6x^2-6                     x^2-7x+10 (a) Write f(x) with the numerator and denominator completely factored. (b) State the domain. (c) State the vertical asymptote(s). (d) State... more
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04/23/14

Help please please
Solve (x^2-9)/x<=0 and write interval notation for the solution set. Show careful algebraic work/explanation.    
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04/15/14

volume help. show work
At A water tank is being filled by water being pumped into the tank at a volume given by the formula, P(t) = 60t +1060, where t is in minutes. At the same time the water tank has a leak and the... more
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04/15/14

Consider the equation. show work
Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two... more
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Algebra Help

04/09/14

how do i understand algebra better?
i just dont get it.
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04/08/14

5-x=-2-.5x
Could someone please help me solve this equation?
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04/08/14

what is the product of 3a(a + 4)
can't wait till I come to that city to be the one to be all around the world and there isn't a thing out there I haven't done for you so keep at it and don't let it get you down when I'm at that... more
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04/07/14

word problem help please
Ace Car Rental Company rents a car for $50 per day and $0.25 per mile driven. Laura is a customer who wants to keep her car rental bill at $100 or less. At most how many miles can she drive in one... more
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04/07/14

find the numbers. show work
One number is 6 less than another. The product of the numbers is 72. Find the numbers. show all work. 
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04/07/14

how many minutes
In a psychological study it was found that the number of nonsense words a college student can remember varies inversely with the time that has elapsed before the student is asked to recall the... more
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04/07/14

Solve and write interval notation for the solution set. show work
Solve and write interval notation for the solution set. Show work.   6-2x≤-2 or -1/5 x>2
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04/07/14

Simplify and show work for the equation please
4/x+3 -3/x-2    
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