03/09/20

Evaluate the integral
Evaluate exactly the value of  . Your work must include the use of substitution and the antiderivative. 
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03/09/20

Find where the curve is concave
Find the interval on which the curve of  is concave up
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03/06/20

Find the derivative of f(x) = (3x^2 - 8x)^3
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03/02/20

revolving curves

Find the volume of the solid obtained by rotating the region bounded by the given curves about the line  y=-6. Given curves: x=y^2, y=x^2
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02/28/20

Given: △CDE m∠D=90°, DK ⊥ CE CD:DE=3:5, KE=CK+8 Find: CE
Given: △CDE       m∠D=90°, DK ⊥ CE        CD:DE=3:5, KE=CK+8    Find: CE
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02/25/20

Consider a circle with an area of 25π square inches. If the circle were to be extruded to a height of twice the diameter, what would be the volume of the cylinder?

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02/24/20

Find equations of the tangent line and normal line to the curve at the given point. y = √x/(x + 9) , at point (1, 0.1)
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02/24/20

The region in the first quadrant bounded by the x-axis, the line x = π, and the curve y = sin(sin(x)) is rotated about the x-axis. What is the volume of the generated solid?
Question options: 1) 1.219 2)  3.830 3)  1.786 4)  5.612
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02/24/20

precalculus homework
Given the function f(x) = −3 + 4x^2, calculate the following values:f(a) =f(a + h) =f(a + h) - f(a)/h =(whole equation divided by h)
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02/22/20

Find the equation(s) of the tangent line(s) to the graph of the curve y = x^3 − 10x through the point (1, −10) not on the graph. (Enter your answers as a comma-separated list of equations.)

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02/20/20

Evaluate the limit, if it exists. lim t→0 (3/t√(1 + t) − 3/t)

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02/18/20

Help with volume
Find the volume of the solid formed by revolving the region bounded by the graphs of y = x2, x = 4, and y = 1 about the y-axisOptions:Question 2 options: None of these
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02/17/20

Line segment AB¯¯¯¯ has endpoints A(−2,6) and B(4,−6). What are the coordinates of the point that partitions BA¯¯¯¯¯¯¯¯ according to the part-to-part ratio 2:4?
Can someone help me please.
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02/14/20

SYSTEM: Solve the system using the indicated method. HELP ME PLEASE!!
Solve the following system using Gaussian elimination.       x + 2y − 2z = 0 3x + 5y − 3z = 20-4x − 3y +  z = -28
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02/13/20

Find Volume in cubic units of the solid
The base of a solid in the region bounded by the parabola x2 + y = 4 and the line x + y = 2. Cross sections of the solid perpendicular to the x-axis are semicircles. What is the volume, in cubic... more
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02/13/20

Which of the following integrals correctly computes the volume formed when the region bounded by the curves x^2 + y2 = 25, x = 3, and y = 0 is rotated around the y-axis?
Which of the following integrals correctly computes the volume formed when the region bounded by the curves x2 + y2 = 25, x = 3, and y = 0 is rotated around the y-axis?Question... more
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02/13/20

What is the largest of five consecutive even integers if the sum of the first four of them is A?
the answer is: (A+20)/4I just don't understand how they got to that.
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02/11/20

Find the equation of a parabola that passes through (1,6) (2,5) (0,5)
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02/09/20

Absolute value and compound inequalities
I have to write both types of equations for the following information, solve and then graph. the temperature T of a refrigerator is at least 35°F and at most 41°F. I do not understand how to do the... more
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02/07/20

3 questions please
1 Read all choices carefully, since several answers look correct but are not: Simplify sqrt(5) / sqrt(35), rationalizing the denominator to put your answer in "simplest form." Your answer could be... more
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02/05/20

I think its D. but can you please explain the steps
A Ball thrown in the air has a height of -16t2+50t+3 What is the average rate of change for h(t) between t=o and t=2A. 36 seconds per footB. 36 feet per second C. 18 seconds per footD. 18 feet per... more
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02/03/20

ABCD is rectangle.E is the midpoint of 𝐵𝐶,F is the midpoint of 𝐴𝐵 and G is the point of intersection of 𝐴𝐸 and 𝐶𝐹.If the area of ABCD is 1260 sq units,find the area of the quadrilateral BFGE.
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01/31/20

P(6, 1) lies on the curve y =√x − 5 .If Q is the point (x,√x − 5 ), use your calculator to find the slope of the secant line PQ for the following values of x: 5.5,5.9,5.99,6.5,6.1,6.01,6.001
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01/31/20

If sin ⁡x=7/25, and 0<x<π/2, what is cos⁡(x−3π/2)?
I need help pleasee... If sin ⁡x=7/25, and 0<x<π/2, what is cos⁡(x−3π/2)?
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01/29/20

System of of equations and Matrices
Solve the following system of equations:Show full work?
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