01/19/19

f(x) = 1/(x^3-1) 1) lim x--> 1^- f(x) , 2) lim x--> 1^+ f(x) =
f(x) = 1/(x^3-1) 1) lim x--> 1^- f(x) = 2) lim x--> 1^+ f(x) = Would someone please show the steps for these two problems?
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01/19/19

limx-->1^+ ((x^2+5x-6)/(|x-x^2|)
limx-->1+(x2+5x-6)/(|x-x2|)The correct answer is 7 but I keep getting -7. I think I am doing something wrong with the absolute value bars. Can someone please show the steps for this?
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01/18/19

Find a formula for R (subscript) N for the function f(x) = x^2 on [0, 1] in terms of N.
Then compute the area under the graph as a limit.
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01/17/19

Please help one calculus question
Use two rectangles of equal width to estimate the area between the graph of f(x) = x − cos(πx) and the x-axis on the interval [1, 5]. Evaluate the function at the mid-point of each rectangle to... more
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01/17/19

Write an equation for a line containing (-8,12) that is perpendicular to the line containing the points (3,2) and (-7,2)
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01/16/19

Please help!! secant question
a) Find the slope of the secant to the graph of f(x)=x^2-4x-30 between the points where x=-2 and x=1b) Determine an algebraic expression that represents the slope of any secant line that passes... more
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01/12/19

finding optimization

A box manufacturing company would like to minimize the amount of material it takes to make their boxes. The boxes have widths of 10 cm and do not have any tops. Given that the volume of the box is... more
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01/09/19

Laurie has $46,000 invested in stocks. The amount invested in stocks is $8,000 less than three times the amount invested in bonds. How much does Laurie have invested in bonds?
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01/08/19

What is the missing coefficient in the equation given that p(2)=-48 ? ----> p(x)= ? x^3
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01/07/19

Find the inverse function of y=(x^2-81)^1/3
Y=(x2-81)1/3
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01/06/19

Find the function g(x) such that f(x) is equal to (x^3-3)/g(x) given the following conditions
There is NO Vertical asymptotesThere is a slant asymptote y=x
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01/06/19

Three less than twice a number is the sum of a number and eight
I don't understand the phrasing, can anyone help me?I somehow need to translate this into an equation
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01/05/19

Co-ordinate geometry
(x-3)2 + (y-4)2 = 25Write down the equation of the diametre of this circle which passes through the origin.
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01/03/19

i need help with derivative on an inverse?
If f(x) = x^3+x , and a = 10 find (f^-1)'(a) = ? Find (f^-1)'(2) if f(x)=2x^2-3x for x>0
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01/01/19

Implicit Differentiation help?
If x^2 +xy = 10 , then when x =2 , dy/dx = ?
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12/31/18

What is an equation of a line tangent to 2x^2 + y^2 -4x -3y -16 = 0 that contains the point (-3.5, 6)?
What is an equation of a line tangent to 2x2+y2-4x-3y-16=0 that contains the point (-3.5, 6)?The point is in the tangent line, not the equation of the oval.I found the derivative of the oval to be... more
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12/27/18

The height of a triangle is 8 centimeters greater than three times its base.
The height of a triangle is 8 centimeters greater than three times its base. The area of the triangle is 128 square centimeters. What is the base of the triangle?The answer I got was 8 cm.
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12/26/18

Compounding depreciation
If something is worth 2,702 units on Day 1 and 2,316 units on Day X and is decreasing at a 0.30% rate per day, how many days will it take?
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12/21/18

Roller Coaster Design
Imagine you are a roller coaster designer, and are asked to mathematically represent the curve of the first drop of a new ride. By looking at some of your favorite coasters, you determine that the... more
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12/19/18

Solution to system of equations
What is the solution to the system of equations if first line has slope of 2 and passes through points 1,-1 and second line passes through points 8, -5 and 10, -10
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12/13/18

Find the slope of a line perpendicular to line FG if F(2,9) and G(4,19)
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12/10/18

Please verify the identity : (tan x -4/tanx+2) =(sec^2x -6tanx+7)/(sec^2x -5)
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12/09/18

math question! super confused

A health insurance company advertises on television, on radio, and in the local newspaper. The marketing department has an advertising budget of $49,100 per month. A television ad costs $1000, a... more
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12/05/18

need help please!!!!
find the area bounded by the curves y=8x-x^2 and y=3x
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12/04/18

Write an equation in standard form for a line that is (a) parallel (b) perpendicular to the line with an equation of 3x - 5 that passes through the point (8, 5).
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