05/26/21

Roots of a polynomial
How would I find the zeros of the polynomial g(x)=x^4-2x^3-3x^2+5x+2.I've simplified the expression to (x-2)(x^3-3x-1), am I missing something?
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05/24/21

The arch of a bridge that spans a river is in the shape of an ellipse 70 feet wide. One arch support is located at each of the foci, 5 feet from each base of the ellipse.
a) What is the maximum height of the arch? b) How far from the center of the arch is it 10 feet high?
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05/22/21

how to find critical values of this function?
y = x2 / x2 + 2x - 15i've used the quotient rule and got 2x2 - 30x, however i am not sure what to do next to make it equal to 0?
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05/21/21

help please i dont underrstand
The student population in the Greenville school system is increasing about 10% each year. This year there are 3,120 students in the Greenville school system. If this trend continues, which of the... more
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05/21/21

Using the shell method, compute the volume of the solid of revolution formed by revolving the region bounded by the given curves about the given axis of revolution.
y = -x² + 1,y = -x - 1,y = x - 1,rotated about the line x = 2
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05/21/21

Using the shell method, compute the volume of the solid of revolution formed by revolving the region bounded by the given curves about the given axis of revolution.
y = -x + 1,y = x +1,y = 0,rotated about the line x = -2
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05/20/21

Please i need help quickly thank you
The guardians of the galaxy have to travel in the spaceship Milano from Xander, located on the star map at (-4,-8) to Titan, located at (6,12), to help the avenger stop Thanos. Unfortunately, the... more
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05/20/21

Finding the exact volume of the solid
1. The region in the first quadrant bounded by y=x^2, y= 0, and x= 3 is rotated about the line 𝑦=−1. SET-UP the appropriate integral to find the volume of the resulting solid using:(a) dx. (b)... more
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05/18/21

Find the points on the curve y= x/x-1 where the tangent line is parallel to the line x+4y=1
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05/18/21

Find partial fraction decomposition

(7x2+2x-19)/ (x-3)(x+2)2
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05/17/21

Finding the integral and values of g
Question image link: https://i.imgur.com/GwLO6Hs.pngIf the figure shows the graph of f, and g(x) = ∫ 0 to x f(t) dt find: a) g(0), g(1), g(2), and g(3)b) The interval(s) where g is increasingc) The... more
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05/16/21

GEOMETRY A UNIT 4 Please help!! #3
copy and paste this link in your browser for the picturehttps://i.postimg.cc/JzKzkVSX/Inscribed-polygon.jpgProve that triangle BDF is equilateral, given ABCDEF is an inscribed, regular... more
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05/13/21

Find the equation of the tangent line to the graph of f(x)=e^3x+7 at x=0
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05/13/21

Calculus solve using the shell method
Find the volume bounded by x=y^2-(1/4)y^3; the y-axis. Revolved around y= 5.
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05/13/21

Calculus solve using the shell method
Find the volume given bounded by f(x) = 4x-x^2 and the x-axis which is revolved around x=6.
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05/12/21

Write the equation for an absolute value function with a vertex at (1, 2), and one of the arms going through the point (-7, -4).
Write the equation for an absolute value function with a vertex at (1, 2), and one of the arms going through the point (-7, -4).
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05/11/21

How do I find the quadratic function for a parabola when given the vertex and two points?
Vertex: (1,-3) ;; Points: (-1, 4) (3, 4) ;; (OPENS UPWARDS) vertex: (3,-1) ;; Points: (1, 3) (5, 3) ;; (OPENS UPWARDS) vertex: (1, 5) ;; Points: (0, 2) (2, 2) ; (OPENS DOWNWARDS)
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05/11/21

Points A and B are on the opposite side of Lake Yankee from point C. The angle between the line of sight to A and B is 46 degrees . If AC is 350 m long and BC is 286 m long , find AB
I feel like I didn’t do this one right, or maybe it’s just me. Please and thank you for an answer with work!
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05/11/21

Given the differential equation dy/dx=1/xy
a.) Sketch the slope field for the points (1,+or- 1), (2,+or-1), and (-1,+or-1).b.) Find the general solution of the given differential equation.c) Find the solution of this differential equation... more
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05/11/21

*If f(x) = ex − 7, 0 ≤ x ≤ 2, find the Riemann sum with n = 4 correct to six decimal places, taking the sample points to be midpoints.
If f(x) = ex − 7, 0 ≤ x ≤ 2, find the Riemann sum with n = 4 correct to six decimal places, taking the sample points to be midpoints. M4 = ?
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05/09/21

Please help me with this question
Find the point on the line 5𝑥+2𝑦−1=0 which is closest to the point (4,−4)
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05/08/21

Solve differential equations by using integrating factors
(dr/dθ)+rcotθ=sinθ y+x(x-1)(dy/dx)=x3e-x^2 x(dy/dx)=y+x2(sin+xcosx) and y = 0 when x = π/2 dy/dx = x - xy and y = 0 when x = 0
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05/08/21

Solve Differentational equations using integrating factors.
tanx (dy/dx)+y=extanx dv/dt=t-2vt x(dy/dx)+2y=(sinx)/x x(dy/dx)=y-x2e-x
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05/06/21

Writing Rational functions with given characteristics

There are no zeros, a hole exists at x = –3, vertical asymptote is at x = 1, and horizontal asymptote is at y = 0.   There is a zero at 6, a hole exists at x = –3, no vertical asymptotes, and... more
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05/05/21

Solve for 𝜃 if 0° ≤ 𝜃 < 360°. (Enter your answers as a comma-separated list.) sin 𝜃 − √3 cos 𝜃 = √3
I want to get solve for 𝜃.
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