Pre Calculus
21,824 results, page 3

Calculus(Pre)
Can you explain linear speen and angular speed 
pre calculus
verify functions f and g are inverses of each other by showing that f(g(x)) = x and g(f(x)) = x. f(x)= 5/(2 x) g (x) = 2  5/x 
precalculus
solve equation show work. log_2(x^2+47)=7 
Precalculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y) 
Precalculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y) 
precalculus
PD= 600(0.978)^t PD is decreasing at 2.2% per year. How did they get 2.2% 
Pre calculus
finding equations for the hyperbola whose graph is F(0,13) and F(0,13) 
pre calculus
Name 3 different representations of the following (6, 3pi/4) 
pre calculus
solve the following inequality 4x3/x+4 less than or equal too 3 
pre calculus
find the real zeros of f(x)=x^4+6x^311x^224x+28 
PreCalculus
5x divided by x, how come that equals 5, but not 5x, how do the x's cancel out? 
precalculus
for the function f defined by: (x)=3x^2+3x+2;find the following values. a. f(1)= b. f(x)= c. f(x)= d. f(x+h)= 
precalculus
analyze the graph of the function r(x)= 13x + 13 ________ 5x + 15 
Pre Calculus
Write the Rectangular Form of the Polar Equation: r=12 
precalculus
let f(x)=x^2 (a^2 + 2a)x + 2a^3, where 0<a<2. for which value of a will the distance between the xints. of f be a maximum? 
Precalculus
fraction 1) 5/12+7/185/6 2) 3x/x11/x=_____/x^21x 3) x+1/x^25x+63x+11/x^2x6= 4)2x^23x1 5) 3x^2+2x2 6) x^23x9 45 with formula B+_sqrt(B)^2+(4)(A)(C)/2A please help! 
PreCalculus
How would I write this in exponential form? log(3)1/27= 3 
PreCalculus
Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (64)^2/3 = 8 32. (8)^4/3 = 1/16 or 1/16 
pre calculus
Choose the point on the terminal side of 135° 
PreCalculus
Express tan(t) in terms of cos(t), where t is in Quadrant 3 
Math (pre calculus)
Solve 2^3x = 5^2x+1 Give an exact solution. 
Pre Calculus
Find the exact value of sin(1/2arcsin(7/25)) 
Pre Calculus
Write the rectangular equation in polar form... x=3 
pre calculus
4+7i divided by 2 (problem is written as a fraction) 4+7i _________ 2 
Pre Calculus
Solve the inequality sinx>square root x. 
PreCalculus
Help please What is the slope of the line x = 4? would it be undefined?? 
PreCalculus
Prove the identity: cos(xπ/2)=sin x 
PreCalculus
How do you solve the equation(800+x)tan33=xtan35? 
Pre  CALCULUS
Use Cramer's rule to solve the system. 2x + 4y  z = 32 x  2y + 2z = 5 5x + y + z = 20 A. {( 1, 9, 6)} B. {( 2, 7, 6)} C. {( 9, 6, 9)} D. {( 1, 9, 6)} d ? 
PreCalculus
Parabolas; find Vertex, focus, directrix? 1) (y+1)^2 = 4(x2) 
math: precalculus
Write the expression as a single logarithm. Ln(e^3y)+ln(ey)4 
precalculus
Choose the point on the terminal side of 210°. 
Precalculus
Find the acute angle between the lines 2x3y6=0 and x+5y20=0 
Precalculus
Evaluate sin16° cos29° + cos16° sin29° 
pre calculus
Use the following vectors to answer the question. u: <1,7> v: <6,4> What is u2? 
pre calculus
Use the following vectors to answer the question. u: <1,7> v: <6,4> What is v2? 
pre calculus
can you please explain what steps you take to find u2 when u: <1,7> v: <6,4>? 
pre calculus
Write the complex number z=2+2i in trigonometric form. 
Precalculus
Convert cartesian equation to polar form 1. x^2+y^2=4x 2. (x^2+y^2)^2=6(x^2y^2) 
pre calculus
Find the equation of a Parabola with Vertex: (2,1) and directrix: x= 2 
pre calculus
what is the distance between the pole and the directrix of r = 4/26sintheta 
PreCalculus 12
Solve the polynomial equation. 2x^3  13x^2 + 32x  13 = 0 
Precalculus
Parabola x^2+10x+4y29=0 in standard form 
Pre calculus
write the finite series 1+2+7+14+23+...+62 in summation notation 
Precalculus
How do I factor this: 6m^2 + 7mn + n^2 I really don't understand this one 
PreCalculus
True or false: P varies directly as Q can be written as P = kQ. 
PreCalculus
Find all of the fifth roots of 32i? 
PreCalculus Help?
Rewrite the following parametric equations by solving for y x(t) = e^t y(t) = 3e^2t a) y=1/3x^2,x>0 b)3/x^2, x>0 c) y= 3e^t, x>0 d) y=4e^t, x>0 
PreCalculus
rewrite using radicals and rational numbers Cos 3(pi)/8 
PreCalculus
How do you confirm that f and g are inverses by showing that f(g(x))=x and g(f(x))=x ? Problem: f(x)=3x2 and g(x)= x+2  3 Please help, don't know where to begin? 
PreCalculus
If: f(x)= radical x g(x)= x^2+1 What is the domain of f o g? I don't really understand how to answer this question. 
Pre Calculus
please explain the process of finding the complex zeros of f(x)=x^4+5x^2+4. 
PreCalculus
Solve the equation over the interval [0,2π) 4csc^2+1 = 0 
Pre Calculus
find the real zeros of the polynomial: P(x) = 24x^3  76x^2 + 2 
pre calculus
find an equation of the line that passes through the points (0,0),(1,5) and (2,1),(0,3) 
Pre Calculus
find all exact real solutions of the equation. x^42x^224=0 
precalculus
one solution of x^35x^2+5x1=0 is 1. find the other two solutions. 
pre calculus
9x^2 + 16y^2  36x + 96y + 36 = 0 how do i find the domain to this problem? 
pre calculus
9x^2 + 16y^2  36x + 96y + 36 = 0 How do i find the major axis? 
Pre Calculus
Establish the following identity Sin2x/1+cos2x=tanx 
Pre Calculus
Prove that 2/square root 3cosxsinx=sec(pi/6x) 
precalculus
If (1)(2) + (2)(3) + ... n(n+1) = n(n+1)(n+2)/3 complete the inductive step of its proof: 1(2) + 2(3) + ... k(k+1) + (k+1)(k+2) I have no idea what to do. 
PreCalculus
Solve the equation by finding the square root. 4u2 + 4u + 1 = 75 
Pre Calculus
Verify the identity: cos x + sin x tan x = sec x. 
Pre Calculus
use the sum of difference formula what is sin(pi/25pi/3)? 
Pre calculus
find the domain of the given function f(x)=square root 9x 
pre calculus
Write the expression below as a single logarithm. 2in(x+4)in((x^(2)+x12)/(x)) 
PreCalculus
Need help with the following along with all steps. Find y" for y = 3x + 4/x 
Precalculus
How do I convert theta = 45 degrees Into a rectangular equation? 
precalculus
tanx= 12/5 x in quadrant 2 find; sin2x= cos2x= tan2x= 
PreCalculus
How many terms of the series 6+0+6+12+... are needed to yield a sum of 324? 
PreCalculus
How many terms of the series 12+4+4/3+4/9+..., are needed to yield a sum of 1459/81? 
PreCalculus
I need help sketching the graph of a piecewise function. f(x) = { x² if x≤1, x² if x>1 
precalculus
write the expression as a simple logarithm. express powers. In(x/x5)+In(x+5/x)In(x^225) 
PreCalculus
Determine the number of triangles that can be formed with the given information. a=1, b=5, c=4 
PreCalculus
Determine the number of triangles that can be formed with the given information. a=1, b=5, c=4 
PreCalculus
Determine the number of triangles that can be formed with the given information. a=1, b=5, c=4 
PreCalculus
Determine the number of triangles that can be formed with the given information. a=1, b=5, c=4 
PreCalculus
I'm having trouble with this problem because I'm not sure what to do with the 1.. 21. (x5)^2+(y+2)^2=1 (x(5))^2+(y+2)^2= ???? center= (5,2) radius= ??? 
PreCalculus
Write an algebraic expression in x for sec(arcsin(x/sqrt(x^(2) +4))) 
PreCalculus
Here is correct question: Solve sin (pi/4*(x6))=0.5, 0<x<360 
PreCalculus
Write the polar equation in rectangular form... r=5sintheta 
PreCalculus
Express the complex number in polar form. 512i 
Pre calculus
P=(2,2) Q=(3,4) S=(2,8) PS3PQ Find the component form and magnitude of the vector. 
pre calculus
determine whether the equation defines y as a function of x. √x + y = 12 
pre calculus
Find a cubic function with the given zeros. 2, 5, 6 help me please 
PreCalculus/Trigonometry
Help me please, just explain. How would I find f(1)? f(1)= x; 3, 2, 1, 0, 1, 2 f(x); 3.4, 0, 1.2, 0.4, 1.3, 1.7 
PreCalculus
Find all solutions of the equation and express them in the form a+bi 2x^2+3=2x 
college precalculus
simplify: 6y/6/1/61/y 6y/6*6y/y6= 6y/6=y Is this correct help i need help!! answers: A. y B. y C. 6/y D. 1/y which one? 
PRE  CALCULUS
Solve the quadratic equation by the square root property. (2x + 5)2 = 49 A. {6, 1} B. {0, 1} C. {27, 27} D. {1, 6} d? 
pre  CALCULUS
Verify the identity. Show your work. (1 + tan2u)(1  sin2u) = 1 
Pre  CALCULUS
Locate the foci of the ellipse. Show your work. 𝑥2/36+ y2/11=1 
Pre  CALCULUS
Solve the system by the substitution method. Show your work. 2y  x = 5 x2 + y2  25 = 0 
pre  CALCULUS
Solve the system by the substitution method. Show your work. 2y  x = 5 x2 + y2  25 = 0 
PreCalculus
how do i find the vertical asymptote of x−1 / x(x2) so far i got x1 / x^22x 
Precalculus/ trig
Given the vectors a= (1,9) and b= (4,2) explain the difference between ab and ba. Thank you for your help! :) 
Pre Calculus
Evaluate the function f(x) = log3 x at x =1/27 without using a calculator a. –4 b. –2 c. 1/27 d. –3 e. 27 
pre calculus
how long will it take for an investment to triple if it is compounded continuously at 4.2% 
Precalculus
If sin2x=7/25, siny=2/sq root of 13, cot y>0, and pi/4<x<pi/4, find sin(2ya) 
pre calculus
how do you use e^a+bi = e^(cos b + i sin b) to derive the equation eπi + 1 = 0