# Pre- Calculus

21,247 results, page 78

### math-calculus

complete solution to 12-|x| = 9 is 12-x = 9 -12frm both sides -x/1 = -3/1 this what i get.

### math-calculus

the roots of the equation |x^2+2x-10| = 5 are -5, 3, and -1+-sqrtN value of N is? A. 6 B. 8 C. 12 D. 24 please help with this.

### Calculus

prove that the integral of arcsec(x) is equal to xarcsec(x) - ln|x+ sqrt((x^2)-1)

### calculus

discuss the curves under the headings given in this section y=x/x-1

### college calculus

use the definition of derivative to prove that lim x->0 [ln(1+x)]/[x] = 1

### calculus

Let f(x)=(x^2)+x+14. What is the value of f(x) for which the tangent line to the graph of y=f(x) is parallel to the x-axis?

### calculus

find the area enclosed by y=x^2 and y=sinx in the first quadrant.

### calculus

Find the equation of the line given that f(x)=10^x and the point A is at x=log10(5).

### Calculus

y = square root 256- x squared, from 7 to 16 about x axis

### calculus

Cos(pi/12) solve using half angle formula

### Calculus

If 2x^3 + 2xy - y^2 = 6, then approximate the equation of the tangent line at point x = 1.44

### Calculus

Can someone help me with this question. With steps. Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0

### calculus

Find the equation of the tangent to the curve sin(x+y)=xy at the origin.

### Calculus

find the area under the curve y = x^2 + x from the origin to the line x = 3

### Calculus

For each function, find the derivtive f'(a) for given value of a f(x) = sqrt(x+1), a=0

### calculus

An equation of the line tangent to the graph of f(x) = (4x2 - 8x + 3)4 at the point where x = 1 is:

### Calculus

y = √3x + 2 cos(x), 0 ≤ x < 2π Find a derivative y'.

### calculus

if the derivative of f is f'(x)=ln(x^2+1)-2, at which of the following values of x does f have an abslolute value?

### calculus

if the derivative of f is f'(x)=ln(x^2+1)-2, at which of the following values of x does f have an abslolute value? a)2.53 b)0 c)2.72 d)4.44 e)1.72

### Calculus

Find the derivative of y = ln |cos(ln)|. I got -tan(ln x)/x, is this correct?

### calculus

Evaluate the integral S x/(sqrt(3x-1))dx Use U-Substitution method.

### calculus

Find an explicit expression for y' for the curve de fined by 3(x^2 + y^2)^2 = 100xy.

### calculus

How many horizontal tangent lines exit to the curve f(x) = x^cos(x)?

### Calculus

what is the slope of the line tangent to the curve (/x)^2 at point (4,16) * (/x)= the squareroot of x

### Calculus

Determine the points at which f'(x)=0 for each of the following functions: f(x)= x^3+6x^2+1 f'(x)=3x^2+12x What to do next?

### Calculus

Find the derivative of f(x) = x^3 Show all the work please and thank you!

### Calculus

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### Calculus-derivatives

f(x) = (x-1)^(2/3)*(x+3) What are the critical numbers? the derivative would be =2/3(x-1)^(-1/3)(x+3) + (x-1)^2/3 What do I do next?

### calculus

evaluate the improper integral whenever it is convergent ∫0,-00 1/(4-x)^(3/2) dx

### calculus

show that an integral of the form ∫00,a e^(-px) dx is convergent if p>0 and divergent if p<0

### CAlculus

using chain rule find the derivative of y=xsin1/x

### calculus

given the circle x^2+y^2+2x-2y-14=0, find it's intersection with the y-axis. please help me....

### CALCULUS PLEASE HELP!

If f(x)=1.7x^5-5.3x^2+9.8 and if r is the only real number such that f(r)=0, then r is between a. -1.4 and -1.3 b. -1.3 and -1.2 c. -1.2 and -1.1 d. -1.1 and 0 e. -1.0 and -0.9

### calculus

What are the critical attributes that obtain between a derivative and a differential?

### Calculus

given f(x)=x-3 and g(x)=1/x-4 find the domain and range of the following functions f(x) f(g(x)) f(f(x))

### Calculus

A rectangular prism is defined by vectors (2,0,0) (0,9,6) and (0,0,3). Find the volume.

### calculus

Use Newtons method to find the roots of the equation 1/x=1+x^3

### calculus

use a double integral to find the volume of the solid z= 4-x^2 - y^2 y= -2x + 2

### Calculus

Determine the value of k that makes the line (x+2)/4=(y+1)/5=(z-3)/3 and r=(1,3,6 +s(-2k,2,k), SeR, perpendicular.

### calculus

Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.

### Calculus

Explain the possible relationships between two lines in R^3

### calculus

verify that y=C1e^2x + C2e^-3 is a solution of the differential equation y''+y'-6y=0

### calculus

find the solution of the initial value problem y'=xye^x; y(1)=1

### Calculus grade 12

differentiate the function ( a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)

### Calculus grade 12

differentiate the function a) y = cos³x b) y = Sin²xCos3x c) y = Sin (x³)

### calculus

find the slope of the tangent line at the point (1,2) for the ellipse 2x^2+3y^2=14 y'(1) = ??

### Calculus

Determine if convergent or divergent: Integral 1 to infinity of e to the power of (-1/2).

### Calculus

Find the equation of the tangent line to the graph of √(xy)=x-2y at (4,1)

### Calculus

Find the area of the region enclosed by the given curves: 4x+y^2=9, x=2y

### Calculus

Use the form of the definition of the integral to evaluate the intergral. From 0 to 9 (10+6x-x^2)

### calculus

evaluate the limit by using change of variable lim x--> 27

### Calculus

Find the slope of the tangent line to the graph of the equation: y = (2x^2+3)(x-1) at x=2. a = 11 b = 08 c = 19 d = 16

### Calculus

find the absolute extrema of f(x)=sin pi x on [-1,2] Not sure how to do this problem....

### ap calculus

let y=f(x) be the particular solution for the differential equation with the initial condition y(-1_=3/2

### calculus

Find the area enclosed between f(x)=05x2+3 and g(x)=x from x=−8 to x=3.

### calculus

Verify the Identity: (Tanx + 1)/(secx + cscx) = sinx

### calculus

Verify the identity: (tanx+1)/(secx+cscx) = sinx

### Calculus grade 12

Determine an equation for the plane that contains the points A(6, 2, 3), B(5, 1, -3), and C(5, 7, -2).

### Calculus

Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).

### Calculus

Does the line [x,y,z] = [-2,6,5] + t[3,2,-1] lie in the plane 3x - 4y + z + 25 = 0 ? Please show work.

### Calculus

Find the distance between the lines [x,y,z] = [-1,1,0] + s[3,4,-2] and [x,y,z] = [5,9,-4] + t[2,3,1]. Interpret the result.

### calculus

how to convert these into slope intercept form and graph? f(x)1/3x+5 g(x)1/3x-2

### calculus

use the fourth taylor polynomial of f(x)=ln(1+x) to approximate ∫0.2 ln (x+1)/x dx 0.1

### Calculus

1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]

### Calculus

2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.

### Calculus

1. Find a unit vector which is perpendicular to both of the vectors m=[4, 2, -3] and n=[2, -3, 1]

### Calculus

2. Give that the vectors u=[2, t, -4] and v=[1, -3, t-4] are perpendicular, find the value of the constant, t.

### Calculus

5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).

### Calculus

5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).

### Calculus

5. Determine an equation for the plane that is exactly between the points A(-1, 2, 4) and B(3, 1, -4).

### calculus

Find the center of gravity enclosed by y^2=4x,x=4,y=0 if its density is given by ä(x.y)=ky

### CALCULUS

An equation of the line tangent to the graph of (5x - 1)/(3x + 1) at the point where x = 1 is? Any ideas?

### calculus

Antiderivative problem! Given f'(x)=3cosx–11sinx and f(0)=–2,find f(x)=

### Calculus

Evaluate, rounding to two decimal places, if necessary a) ln 5 b) ln e² c) (ln e)²

### Calculus

determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6

### Calculus grade 12

find dy/dx by implicit differentiation a) xy + x^5y^2 + 3x^3 - 4 = 1 b) lny = cos x thank you

### Calculus grade 12

find the slope of the tangent line to y^4 = 3x^2 - 2x at the point (1,1)

### Calculus

Find the maximum and minimum product of 2 numbers who sum is 5

### calculus

solution for limit as delta x approaches 0 (1-cos4x/1-cos2x)

### calculus

pls integrate and differentiate e^x^2 and x/y square root of x^2+y^2 in terms of x.

### Calculus

Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.

### calculus

f(x)=1/x^2 use formal definition of derivative to find slope at x=2

### calculus

Find the continuity of the region bounded by the two curves. y=x^2 and y=3x?

### Calculus

find the flux of F=<0,y,z> across the parabolic sheet given by x=2y^2+2z^2+3, with x <= 5

### Calculus

Find if there are any vertical asymptotes: g(theta)= (tan4theta)/(4theta)

### Calculus with Analytical geometry

I'm stumped on this one. lim |x-1|sin(1/x-1) x->1

### calculus

Find the equation of the tangent line to the curve x^3 + xy^2 =5 at the point (1,2).

### calculus

Integrate sinx+cosx/rootsin2x with respect to dx...plzz help me

### Calculus

Find the slope of the graph of the function at the given value. h(z)=z^(2/7)-z^(5/8) when z=7

### Calculus HELP PLEASE!!!

Find all extrema for the function y=x^5-2x^3+3 on the interval [-10...10]

### Calculus HELP PLEASE!!!

Find all extrema for the function y=x^5-2x^3+3 on the interval [-10...10]

### calculus

If f and g are two functions for which f' = g and g' = f for all x, then prove that f^2 - g^2 must be a constant.

### calculus

Left f(x) = 1/x+2 and g(x) = x-1/x. Simplify as much as possible and sstate the domain. f 0 g(x) g 0 f(x)

### calculus

Find the equation of the tangent line to the graph of the function f(x)=x-3/3x-5 at x=1

### Calculus

Let F(x) = square root of X and [a,b]. Find all numbers c in (a,b) such that f'(c) = f(b)-f(a)/b-a

### calculus

evaluate the integral I= ∫(0,∏/4) ((5-3e^(-tanx))/(cos^(2)x))dx

### calculus

Find the point (x,y) on the curve y=sqrt(x+4) closest to the origin.

### calculus

Find the point (x,y) on the curve y=sqrt(x+4) closest to the origin.

### calculus

y1= sin (x) y2= (tanx) It is graphed in the interval [0, pi/2] find the integral