Mark M.

Math Equations

08/28/15

how do you solve 2xto the second power times 2x tothe third power

how do you solve 2x2X2x3

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Algebra Word Problem

08/28/15

Find the crews rowing rate and in still water and the rate of the current.

If a boats crew rowed 9 miles downstream with the current, in 1.5 hours. The return trip upstream, against the current, covered the same distance, but took 3 hours. Find the crews rowing rate and... more

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Remainder And Factor Theorem

08/27/15

Remainder and Factor Theorems

Given that kx^3+2x^2+2x+3 and kx^3-2x+9 have a common factor, what are the possible values of k? Ans: -7 and 5/9

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Remainder Theorem

08/27/15

remainder theorem

Given that x^5+ax^3+bx^2-3=(x^2-1)Q(x)-x-2, where Q(x) is a polynomial. State the degree of Q(x) and find the value of a and b. Find also the remainder when Q(x) is divide by x+2.

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Quotient Rule

08/26/15

f(x+h)-f(x)/h f(x)=4x^2

find and simplify the difference quotient x cannot equal zero for the function

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Fractions Slope Intercept Form Slope

08/26/15

Find the equation of this line in slope intercept form.

involving the equation of a line through a given point, parallel to a second line. Assume that the line passes through the point (2,−2) and is parallel to the line through the points ( 2,6) and... more

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Mean Value Theorem

08/26/15

mean value theorem

let f(x)= x3 + 3x2 -10x , so that f(1)= -6 and f(2)= 0. by the mean value theorem, there exist a number y in the open interval (0,1) such that f ’(1+y) = 6. the value of y turns out to be a)... more

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Limits

08/26/15

limit and convergent

lim (1/n+1 + 1/n+2 + ......... 1/2n) is equal to n→∞ a) 0 b) 1 c) 2 d) loge2 the answer is loge2 , bt howi cant understand, it should be zero i think, please solve it, plz plz

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Word Problem Help

08/25/15

One morning the temperature in detroit was 8 degrees, the temperature in cleveland was -5 degrees that same morning. How much warmer was it in Detroit

I don't know how to solve this question , can somebody help me?

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Domain

08/25/15

Find the Domain g(x)=1/x-3/x+9

How do you find the domain of this problem? I'm having a hard time understanding

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Functions Graph Pre Cal

08/25/15

Help with functions and graphs?

There are a couple questions on my summer pre cal packet regarding functions and graphs that I do not completely understand. I would appreciate if someone could help me understand how to do these... more

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Word Problem

08/25/15

Word problem help?

Two pedestrians simultaneously left two villages 27 km apart and walked towards each other. The first one walked 4 km per hour, and the second walked 6 km per hour. After how many hours did the... more

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Interval Notation

08/25/15

Interval Notation

Let A = {x element R|-2 less than or equal to x less than or equal to 2} and B = {x element R|3 < x < 11} Find A union B Findi A intersection B show it in interval notation Thanks

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Precalculus Word Problem Functions

08/24/15

Precal Homework...

The summit of Africa's largest peak, Mt. Kilimanjaro, consists of the northern and southern ice fields and the Furtwanger glacier. An article in the Proceedings of the National Academy of Sciences... more

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Algebra 2 Question

08/24/15

algebra 2 problem

How do I figure this problem Find the average rate of change of f(x) = x^2 +2a. = from 3 to 5b. = from-1 to 1c. = from 3 to 6

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Algebra 2 Question

08/24/15

algebra 2 problem

Could someone help me answer this please find the function of f defined by f (x) = 2x/x^2+8(a) F(-1) =(b) F(-x) =(c) –f(x) =(d) F(x +h) =How do I simplify?

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Word Problem Radicals

08/24/15

simplifying radicals

Nina says that 16+4 (2) cannot be simplified. George says that is can be simplified to 20 (2). who is correct? Explain how you know. NOTE!!!!: the parenthesis represent a radical. I... more

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Algebra 2 Question

08/24/15