Calculus Archive: Questions from September 29, 2023
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5. Find \( y^{\prime} \) for the following functions: a. \( y=x^{3}-2 x^{2}+6 x-9 \) b. \( y=(4 x-3)(7 x-2) \) c. \( y=\frac{9 x}{2 x-5} \) d. \( y=\left(3 x^{2}-2 x+4\right)^{5} \) \( y=e^{7 x+3} \)1 answer -
2. Convierta los siguientes ángulos a décimas de grados (use tres cifras decimales). (a) \( 18^{\circ} 22^{\prime} 11^{\prime \prime} \) (b) \( 140^{\circ} 14^{\prime} 36^{\prime \prime} \) 3. Convi1 answer -
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1. En cada uno de los siguientes ejercicios se da un punto sobre el lado terminal de un ángulo en posición estándar. Verifique que el punto se encuentra sobre el círculo unitario y halle el valor1 answer -
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2. Halle el valor exacto de cada expresión sin usar la calculadora. (a) \( \operatorname{sen}\left(45^{\circ}\right) \tan \left(60^{\circ}\right)+\csc \left(60^{\circ}\right) \) (b) \( 2 \operatornam1 answer -
Demuestre que ningún punto en la gráfica de x 2 - 3xy + y 2 = 1 tiene una recta tangente horizontal.1 answer
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\( f(x, y)=x^{4} y-3 x^{5} y^{2} \) Find all the second partial derivatives. \[ \begin{array}{l} f_{x x}(x, y)= \\ f_{x y}(x, y)= \end{array} \] \[ f_{x y}(x, y)= \] \[ f_{y x}(x, y)= \] \[ f_{y y}(x1 answer -
please show your work. tia
1) \( [10 \mathrm{pts} \) each \( ] \) Find \( f^{\prime}(x) \) or \( y^{\prime} \). (a) \( f(x)=\frac{5-2 x}{x^{3}+1} \) (b) \( y=(2 x-5)^{3}(1-3 x)^{4} \) (c) \( y=5 \sqrt{x}+\frac{1}{x^{2 / 3}} \)1 answer -
find f'(x) or y' PLEASE show your work. tia!
\( t \sin y=3 y-10 \) \( y=x^{2} \ln (3 x+1) \) \( f(x)=e^{x-x^{2}} \)1 answer -
III. (10 puntos) Verifique si la función \( y=x \operatorname{sen} x+(\cos x) \ln (\cos x) \) es solución de la ecuación diferencial \( y^{\prime \prime}+y=\sec x \) \begin{tabular}{|l|l|} \hline S1 answer -
Responda para cada ecuación diferencial si es lineal o no (JUSTIFIQUE RESPUESTA), asi como el orden y grado (10 puntos en total) a) \( y^{\prime \prime}+y=\sec x \) Orden grado lineal b) \( \left(\fr1 answer -
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Find the first partial derivatives of the function. \[ f(x, y, z, t)=\frac{x y^{5}}{t+2 z} \] \[ f_{x}(z, y, z, t)= \] \[ f_{y}(z, y, z, t)= \] \[ f_{z}(z, y, z, t)= \] \[ f_{t}(z, y, z, t)= \]1 answer -
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find y'' for y=x^6(x^5+7)^8
Find \( y^{\prime \prime} \) for \( y=x^{6}\left(x^{5}+7\right)^{8} \) \[ y^{\prime \prime}= \]1 answer -
\( \int \sin x \cos \left(\frac{1}{2} x\right) d x \) 22. \( \int \tan ^{2} \theta \sec ^{4} \theta d \theta \)1 answer -
work out #57, #59, #61, and #63 please! 57-64. Second derivatives Find y" for the following functions. 57. y=xsinx 58. y = x? cosx 59. y = ex sinx 1 60. y=-ex cos x 2 61. y = cotx 62. y = tanx 63. y =
57-64. Second derivatives Find \( y \) " for the following functions. 57. \( y=x \sin x \) 58. \( y=x^{2} \cos x \) 59. \( y=e^{x} \sin x \) 60. \( y=\frac{1}{2} e^{x} \cos x \) 61. \( y=\cot x \) 62.1 answer -
a) Show that b) Evaluate the integral
\( \frac{1}{e^{\xi}+1}=\frac{1}{e^{\xi}-1}-\frac{2}{e^{2 \xi}-1} \) \( \int_{0}^{\infty} d \xi \frac{\xi^{2}}{e^{\xi}+1} \)1 answer -
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(a.) \( f(x)=4 x^{6} \ln 5 x \) (b.) \( g(w)=28^{w}+6 w \) (c.) \( y=3 x^{2}+2 x-e^{x} \) (d.) \( y=\frac{1}{x^{2}}+3 x^{2}+\sqrt{x} \) (e.) \( f(x)=e^{x^{7}+9 x} \) (f.) \( y=\ln \left(\frac{x^{4}}{11 answer -
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Complete the computations and find \( x, y \), and \( z \). \[ (2,4,-1)-5 \mathbf{i}+7 \mathbf{j}=(x, y, z) \] \[ x= \] \[ y= \] \[ z= \]1 answer -
Differentiate. y = (8x² + 9)(2x + 7) y' = (32x² +112x) - (16x² + 18 X
Differentiate. \[ \begin{array}{c} y=\left(8 x^{2}+9\right)(2 x+7) \\ y^{\prime}=\left(32 x^{2}+112 x\right)-\left(16 x^{2}+18\right) \end{array} \]1 answer -
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Find \( y^{\prime} \) \[ y=\ln (x-2) \] \[ \begin{array}{l} y^{\prime}=-\frac{1}{x-2} \\ y^{\prime}=\frac{2}{x-2} \\ y^{\prime}=\frac{1}{x-2} \\ y^{\prime}=\frac{1}{2-x} \end{array} \]1 answer -
Find \( y^{\prime} \). \[ y=\ln 8 x^{2} \] \( \begin{aligned} y^{\prime} & =\frac{16}{x} \\ y^{\prime} & =\frac{2 x}{x^{2}+8} \\ y^{\prime} & =\frac{1}{2 x+8} \\ y^{\prime} & =\frac{2}{x}\end{aligned}1 answer -
Find \( y^{\prime} \). \[ y=\frac{\ln x}{x^{5}} \] \[ \begin{array}{l} y^{\prime}=\frac{1+5 \ln x}{x^{10}} \\ y^{\prime}=\frac{1-5 \ln x}{x^{6}} \\ y^{\prime}=\frac{5 \ln x-1}{x^{6}} \\ y^{\prime}=\fr1 answer -
Find \( y^{\prime} \) \[ y=\ln (\ln 2 x) \] \[ \begin{aligned} y^{\prime} & =\frac{1}{2 x} \\ y^{\prime} & =\frac{1}{x \ln 2 x} \\ y^{\prime} & =\frac{1}{\ln 2 x} \\ y^{\prime} & =\frac{1}{x} \end{ali1 answer -
Find \( y^{\prime} \). \[ y=\ln \left(4 x e^{-x}\right) \] \[ \begin{aligned} y^{\prime} & =e^{x}\left(\frac{1}{x}+1\right) \\ y^{\prime} & =\frac{1}{x}-1 \\ y^{\prime} & =\frac{1}{4 x e^{x}} \\ y^{\p1 answer -
Find \( y^{\prime} \) \[ y=\ln \left(\frac{e^{x}}{e^{x}+10}\right) \] \[ \begin{array}{l} y^{\prime}=\ln \left(\frac{10}{e^{x}+10}\right) \\ y^{\prime}=\frac{10}{e^{x}+10} \\ y^{\prime}=\frac{e^{x}+101 answer -
Find \( y^{\prime} \). \[ y=\ln \left(3 x^{2} e^{x}\right) \] \[ \begin{array}{l} y^{\prime}=\frac{1}{6 x e^{x}} \\ y^{\prime}=\frac{2}{x e^{x}} \\ y^{\prime}=1+\frac{2}{x} \\ y^{\prime}=e^{x}+\frac{21 answer -
\( \frac{d y}{d x}: \quad y=(4 \sqrt{x}-1)\left(x^{2}-x\right) \) Find \( \frac{d^{2} y}{d x^{2}} \quad y=\log _{4}\left(3 x^{2}+5\right) \)1 answer -
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Find \( \frac{d^{2} y}{d x^{2}} \) for \[ y=15 x^{2} \cos (x)+10 \sin (x) \] \[ \frac{d^{2} y}{d x^{2}}= \]1 answer -
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y'= X y = 8ex + 3 7 Differentiate the function.
Differentiate the function. \[ y=8 e^{x}+\frac{7}{\sqrt[3]{x}} \]1 answer -
Instrucciones al estudiante: En el área de "Tools" de la plataforma Blackboard usted encontrará una sección llamada "Discussion Board". Llegue hasta ella en donde usted encontrará un foro de discu1 answer -
27. VyVx+1 /(y - x - 1 )lim (x, y)→(1, 2)
27. \( \lim _{(x, y) \rightarrow(1,2)} \frac{\sqrt{y}-\sqrt{x+1}}{y-x-1} \)1 answer -
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Calculate all four second-order partial derivatives of \( f(x, y)=2 x^{2} y+5 x y^{3} \). \( f_{x y}(x, y)= \) \( f_{y x}(x, y)= \) \( f_{t u} \)1 answer -
6. Find \( y^{\prime} \) for the following a. \( y=\frac{2}{3 x^{\frac{5}{3}}}-3 \cos x+4 \csc x \) b. \( y=\frac{1}{3} x^{\frac{2}{3}} \cot x \) c. \( y=3 \sec x \tan x \)1 answer -
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