Mark M.

Let f(x) = 1/x − 3 and g(x) = 1/x − 4. Determine the domain of the composite function. (Enter your answer using interval notation.)g compose f Find the composite function.(g compose f)(x)=

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Calculus

03/18/15

find an equation in Slope intercept form of the tangent to (x+y)^3 =x^3 +y^3 at (-1,1)

please show steps, I missed school for this lesson today and am lost! thank you!

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Math Word Problem

03/18/15

i need help answering this word problem

Sean started to cross a lake by motorboat. After he had traveled 15 miles, the motor failed and he had to row the remaining 6 miles to shore. His speed by motor was 4 miles per hour faster than his... more

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Imaginary Numbers Complex Numbers

03/18/15

Find all complex numbers whose sixth power equals 64

Basically, written out, looks like (a + bi)^6 = 64

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Calculus 2

03/18/15

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = x2e-x/2, [-1, 6]

In need to know the absolute minimum and maximum.

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Sum Arithmetic Sequence

03/17/15

What is the sum of a 12-term arithmetic sequence where the last term is 13 and the common difference is -10?

What is the sum of a 12-term arithmetic sequence where the last term is 13 and the common difference is -10?Choose one answer. A. 605 B. 660 C. 748 D. 816

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Trigonometric Identities

03/17/15

Prove that the following is an identity

( cos x + sinx )2 1 + 2 sinx cos x = cos x tan x csc x

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Algebra 2 Math Word Problem

03/17/15

logarithmic and exponential applications

For a certain strain of bacteria, k=0.783 when t is measured in hours. how long will it take 10 bacteria to increase to100? Please can you in depth explain it.

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Algebra 1 Algebra 2 Algebra

03/17/15

Which of the following is a solution for this nonlinear system of equations

-x2+8=y 6-y1/2x2

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College Algebra Word Problem

03/17/15

A nurse has 1 liter of a solution that is 20% alcohol. How much pure alcohol must she add to bring the solution up to 30%?

Must establish an equation and then solve.

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Other

03/16/15

there are nine men to every ten women at big state u. there are 26,239 students at the university. how many women are there?

i hate this problem please help

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Calculus

03/16/15

what is x^1/3=x

I was trying to figure out this simple math equation and I am having a little difficulty so could you please help me figure this out?

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Math Help

03/16/15

Math work of people math math...

If a item costs $39.95 for 25% off with a 7.5% tax what's the sales price and total cost

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Functions

03/16/15

Find f(a+h)-f(a) for the function

f(x)= x2 -15x +9

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Trigonometric Identities Quotient Identities

03/16/15

sin^2(-0)-sec^2(-0)+cos^2(-0)

write each expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression and all functions are 0 only. 0 meaning theta

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Functions

03/16/15

find f(x) and g(x) such that h(x) = (f °g)(x).

find f(x) and g(x) such that h(x) = (f °g)(x). answers may vary. (use non-identity functions for f(x) and g(x).) h(x)= (x-5)^3 {f(x),g(x)}= {___________}

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Trigonometry

03/15/15