04/26/21

algebra 2 question
x3+4ax2+4a2x+a3 = 2a+x
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04/25/21

The altitude of a triangle

Altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 1.5 cm² /minute . At what rate is the base of the triangle changing when the... more
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04/25/21

HELPPPPPPPPPPPPPPPPPPPPPPPPPPP

Given the following system of equations,a) build an augmented matrix to represent the system of equations,b) show the elementary row operations that lead to a reduced row form, andc) find the... more
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04/22/21

Find the equation of the tangent line to the curve using the definition at the given point when x=1 F(x) = 3/(x-4)
Math Calculus/ please help
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04/22/21

ive tried starting this but i got lost its precalculus

Find the inverse function of f(x)=11+3^√x f^-1(x)= 
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04/22/21

Calculus Problem
Consider the function f(x)= x^5+7sqrtx.Let F(x) be the antiderivative of f(x) with F(1) = -4.Then F(x) =
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04/20/21

Find the volume of the solid obtained by rotating about the y-axis the region bounded by y=4x^2−x^3 and y=0.
Find the volume of the solid obtained by rotating about the y-axis the region bounded by y=4x^2−x^3 and y=0.(a)   A typical shell has radius x, circumference 2πx, and height f(x)=   (b)   So, by... more
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04/20/21

For the following functions: find a) left hand Riemann sum by calculator, b) right hand Riemann sum by calculator

8) f(x) = x^2 + x from x =1 to 6 with n= 509) g(x) 3√X from x = 0 to 8 with n = 10010) h(x) = ln x from x = 1 to x = 11 with n = 20011) k(x) = e^-x from x = 0 to 10 with 25012) m(x) = 2 sin x from... more
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04/16/21

Write the definite integral for the summation:
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04/16/21

Calculus Problem

Find f(x) if f'(x) = 4sqrt(1-x^2) with initial condition f(1/2) = -10f(x) =
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04/15/21

Calculus Question

Find the average value of g(t)=2t+7 over the interval [0,7]. Round your answer to the nearest hundredth. Average Value: 
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04/15/21

Given ∠K ≅ ∠ J and MR = NR; Prove: MK = NJ
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04/15/21

Calculus problem: Find all points of horizontal tangency. (Round your answers to four decimal places.)
r = 6 sin 𝜃 cos2 𝜃      0 ≤ 𝜃 < 2𝜋Find all points of horizontal tangency. (Round your answers to four decimal places.)(r, 𝜃) = (0, 0) (Smallest 𝜃-value)(r, 𝜃) = ? (r, 𝜃) = ? ... more
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04/15/21

Curve Sketching Question, Please Help, Thank you.
 Use the algorithm for curve sketching to sketch the function f(x) = x3 - 9x2 +15x +30. To ensure to show y', critical point, increase and decrease intervals, maximum and minimum, y'', concavity,... more
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04/14/21

Calculus Problem
A rectangle has its two lower corners on the -axis and its two upper corners on the curve y=1/(7+x^2)What are the dimensions of such a rectangle with the greatest possible area?Base = ___height= ____
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04/13/21

NEEDED ASAP: (2x - 2/(x^2 - x - 12)) = (2/(x + 3)) - (3/(4 - x))
Step by step please. I also want to know whether or not there is an extraneous solution.
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04/13/21

Estimate the area under the graph of f(x)=x^2+x+1 over the interval [3,7] using five approximating rectangles and right endpoints.
Find Rn Repeat the approximation using left endpoints.Find LnHint : Report answers accurate to places. Remember not to round too early in your calculations.
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04/13/21

Calculus Question
Assume x and y are functions of t. Evaluate dy/dt for 2xy-4x+4y^3=-28, with the conditions dx/dt=-12, x=4, y=-1.dy/dt=?
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04/12/21

Find the x-value where the maximum value of y = sinx−2x^2 occurs.
When you need to solve for an expression equal to zero, use Newton's method with x=0 as your first guess and enter your second guess as the answer. Enter your answer as a fraction.
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04/12/21

Find the x-value where the relative maximum of y = e^x/5−x^2 closest to x = 0 occurs.
When you need to solve for an expression equal to zero, use Newton's method with x=0 as your first guess and enter your second guess as the answer. Enter your answer as a fraction.
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04/12/21

In the diagram shown, /\ABC is drawn along with point D. A(-6,6), B(-6,1), C(-2,1), D(1,-3)
(a) Plot /\A'B'C', the image of /\ABC after a clockwise rotation of 90 degrees about point. Give the coordinates of the new vertices below.(b) Denise proposes the following transformation rule for... more
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04/12/21

my question has to do with mixed integrals
how do you take the integral of∫1/(x√x2−4 dx)
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04/09/21

Write as an algebraic expression (no trigonometric functions) Assume x and y are positive and in the domain of the given inverse function cos(sin−1 𝑥 − cos−1 𝑦)

Hello I am a bit confused on this question, if you could please give the steps, because I’m not sure where I made the mistake
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04/07/21

Use identities to rewrite cosx+sinxtanx in terms of sin x and cos x. Then simplify so that no quotients appear.
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04/07/21

Use identities to rewrite (sec2 x−1)(cot x)/ tan x sin x+cos x in terms of sin x and cos x. Then simplify so that no quotients appear.
I don't understand how to figure out which identity to use
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