04/23/15

Math exercise

  Provide an example of two-ordered pairs to show h(x)=2x^2+1 is not one-to-one

04/23/15

Math exercise

  Find the average rate of change of f(x)=x^2+2x from x=-2 to x=1

04/23/15

Math exercise

  Find the domain of: f(x)=√3-2x

logarithmic equation

I am given:   2log9x = log932   I have solved it according to the process I am given in the book, using the following steps:   log9x2 = log932 x2 = 32 x = +√(32)   Is this sufficient, or... more

Factor 54x^6y-2y

Factor   54x^6y-2y

Factor y^5-y

Factor   y^5-y

04/22/15

Suppose that u varies directly as the square root of x, and that y=32 when x=9. What is y when x=19 (round to two decimal places)

Suppose that u varies directly as the square root of x, and that y=32 when x=9. What is y when x=19 (round to two decimal places)

Square root problem

Both the square root of 58 and the square root of 58.01 are irrational numbers. Find a rational number, n, such that the square root of 58 is less than the square root of n which is less than the... more

04/21/15

How do you find the Square Root of a Matrix????

Find a Square root of the Matrix   A =   [4  3]         [2  3]    This is a 2x2 matrix      

04/21/15

Use the binomial formula to find the coefficient of the q^22y term in the expansion of (q+2y)^23 .

Use the binomial formula to find the coefficient of the q^22y term in the expansion of (q+2y)^23 .

04/20/15

If the vertex of a quadratic function is (-2,5) and the graph passes through the point (1,-10) find the formula for the function in standard form.

If the vertex of a quadratic function is (-2,5) and the graph passes through the point (1,-10) find the formula for the function in standard form.

Find that values given that log a 25=0.846 and log a 4=0.173

Find that values given that log a 25=0.846 and log a 4=0.173:   log a 10a     and log a 0.25^25

04/20/15

Please help. see description, please click on the question to read it accurately

  ∫ex³•x2 dx =

04/20/15

Please help. see description

solve f'(x)=4x-3 when the curve passes (2,3)

04/20/15

Answer the questions below about the quadratic function f(x)=-3x^2+12x-14?

Does the function have a minimum or maximum value? Where does the minimum or maximum value occur? What is the function minimum or maximum value?

04/20/15

What are the transformations?

What are the transformations and the base function of y=3^(x+2)

I'm unsure about this double angle problem

How should I do this problem: find the value of sin 2(theta) if theta is in the 4th quadrant and sin(theta) equals -1/2. I feel like this problem isn't that difficult, but I'm unsure if I did it... more
Log

04/19/15

The half-life of krypton-85 is 11 days. How long will it take for 6.3% of a given amount of krypton-85 to be left?

 this question involves solving with logarithms and exponentials

Complete the Square

Rewrite the quadric funtion in standard form by completing the square.      in f(x)= 1/2(x^2+ x)+x form.    f(x)=1/2x^2+10x-10    

Find the derivative of the following functions: d^2 / dx2 (x sin x)

Find the derivative of the following functions: d^2 / dx2 (x sin x)

04/19/15

factor out 8y^3+125

dont understand

Pre calculus

X2 + y2 =10 x+y =1

Find the inverse of the function?

h(x)=5√x-1 +3   explain the steps 

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