Pre Calculus
21,824 results, page 6

Pre Calculus
Can someone help me with this problem...I have no Idea how to do it. Find the area between each curve and the xaxis for the given interval. y=16xx^3 from x=0 to x=4 Thanks for the help>> 
Precalculus
f(x)=(1/5)^x=5^x I plugged in both into my caluculator but I only see one line, are they exactly the same? and how do I find the asymptotes? 
Pre Calculus
If $22,550 is invested at 2.95% over 10 years, describe the amount of the investment if interest is compounded a. Every 2 months equation: A(t)=Ao(1+i/n)n*t 
precalculus
Given that the radioactive decay equation is q = 1250 e0.05t, if t is in months, the amount of milligram present after 4½ year is? 
precalculus
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (sinx)^4 
precalculus
Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (cos 5x)^2 
Precalculus
Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is 1. please tell me why 
Pre calculus
How do you work this problem? Find the exact value of sin 2u, cos 2u, and tan 2u given that cot u=3 and 180<u<270 
PreCalculus
Find the maximum and minimum values of the function for the polygonal convex set determined by the given system of inequalities. x + y > 2 8x – 2y < 16 4y < 6x + 8 f(x, y) = 4x + 7y 
Pre Calculus
(a) Determine the number of terms, n, if 3+3^2+3^3+..........+3^n= 9840. (b) Three numbers, a, b and c form a geometric series so that a+b+c = 35 and abc = 1000. What are the values of a, b and c ? 
Pre Calculus
If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear velocity? 
PreCalculus
How is 16/(4x+6)^5 and 1/(2(2x+3)^5) equivalent? I think 1/2(2x+3)^5 is the more simplified version of the two, but I just can't figure out how 16/(4x+6)^5 simplifies to 1/(2(2x+3)^5). please explain 
Pre Calculus
Using Descartes' Rule of Signs how can you determine the number of positive and negative zeros (roots) a polynomial may have? 
Pre Calculus
Can someone help me with this problem? Determine the number of positive integers less than 10,000 that can be formed from the digits 1, 2, 3, and 4 if repetitions are allowed. Thank you! 
PreCalculus
Determine a quadratic function with this set of characteristics. xintercepts of 2 and 7 and maximum value of 25 ( How would I find the xcoordinate for the vertex?) (Thank you!) 
Pre calculus
olve the system of equations using matrices. Use Gaussian elimination with backsubstitution. x + y + z = 5 x  y + 3z = 1 4x + y + z = 2 I need it explained to me, how do I do this? 
pre calculus
can you check my work Find two different sets of parametric equations for the given rectangular equation: y=x^2+10 answer: x=t y=t^2+10 x=t^3 y=t^6+10 
PreCalculus
explain how to do these with please. I was out a couple of days so give clear instructions. sin(π/2ϴ)secϴ cot(π/2x)cosϴ 
Pre calculus
explain how to do these with please. I was out a couple of days so give clear instructions. 1. sin(π/2ϴ)secϴ 2. cot(π/2ϴ)cosϴ 
College Precalculus
The qustion asks find all solutiions in the interval [0,2pie), correct to five decomal places. 5 cos 2x= 2 
PreCalculus
x^416x^3+90x^2111x+173 When I put this equation into the graphing calculator, I get a parabola. I'm not sure how to find the zeros. Can you help? 
Precalculus
Use a graphing utility to approximate any relative minimum or maximum values of the function g(x)=x sqrt4x Not getting this one, either. Thanks. 
pre calculus
A sum of $5000 is be invested in a bank. if the annual interest is 10% and compounded monthly, how long will it take for the original investment to double. 
PreCalculus
Describe the function resulting from reflecting f(x)=x^3+2x^2x+5 about the yaxis and then shifting to the left by 4. Is this the same as performing the operations in the reverse order 
Pre  CALCULUS
Find the xintercepts (if any) for the graph of the quadratic function. 6x2 +12x+5=0 Give your answers in exact form. Show your work. 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20 
pre  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20 
precalculus
Can someone help me with this question please? A linear function may have zero, one, or infinitely many zeros. Illustarte all three of these situations. Thank you! 
Pre Calculus
Applications of trigonometric functions Solve the missing parts of the triangle satisfying a=125 b=150 alpha=55 degrees There are two solutions 
calculus (pre)
a riding lawn mower has wheels with a diameter of 1.4 ft and is driving at 4 mph. find the angular velocity of the tires in radians per minute 
PreCalculus
A surveyor measures the distance between buildings X and Y as 200 feet. The angle of elevation from the base of X to the top of Y is 25 degrees. What is the height of building Y? 
PreCalculus/Trigonometry
Help Me, Please Here is a table of values for y = f(x). x: 0, 5, 10, 15, 20, 25, 30, 35, 40 f(x): 5, 6, 7,8, 9, 10, 11, 12, 13 Mark the statements that are true. A. f(5) = 6 B. The domain for f(x) is the set {5, 6, 7, 8, 10, 11, 12, 13}. C. The range for f(x) is all real ... 
PreCalculus
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x),and express the quotient P(x)/D(x) in the form P(x)D(x) = Q(x)+ R(x)D(x) . P(x) = 6x^4 − 3x^3 + 29x^2, D(x) = 3x^2 + 13 
PreCalculus
Write a linear equation to fit the description. The line with a slope of zero containing the yintercept of x/3 + y/9 = 1 I'm not sure what to do here. Can someone please help me? 
Precalculus
write the complex number 5 in polar form. I don't get how to do this because arctan of b/a would be 5/0 which is a fraction with no solution. Also, is a zero? Sorry if I'm being confusing! Thank you! 
PreCalculus
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4x  y + 3z = 12 x + 4y + 6z = 32 5x + 3y + 9z = 20 Please help me.. 
Pre calculus
find 2 exponential functions with asymptote of y=80 , with points (0,176) (1,169) (3,156) (5,146) (20,101) (30,90) (60,81).one should have the base of "e" 
PreCalculus
Can you please give and example of a hyperbola and ellipse with the same vertices and center that I can graph? Then explain the similarities and differences between the graphs. 
Precalculus
Find the center radius and equation of a circle in standard form given the following conditions: 1. Tangent to 3x+2y=0 at the point (0,0) and passing through (1,1) and (6,0) 
PreCalculus
Umm, how do I find this? with work? Use a calculator to evaluate the function at the indicated value of x. Round your answer to four decimal places. f(x) = 3 ln x x = 0.32 
Precalculuscheck answers
If f(x)=4x^2 and g(x)=2/x, find [g x f](x). Answer: 1/2x^2 2) Are f(x)=1/2x+5 and g(x)=2x5 inverses of each other? Answer: no 
PreCalculus
I want to know how we know if a function is continuas or discontinuos and what are the types and diff if discontinuos functions? 
precalculus
is the function of f(x)=x^24x even, odd, or neither? oh and on what intervals is the function of f(x)=x+1+x1 increasing? 
PreCalculus
How do I solve: sin theta = 1 for all real values of theta? 
precalculus
If sin a = 3/5 when Pi/2<a<Pi and cos B = 12/13 when Pi<B<3Pi/2, then what is the value of sin(a+b)? I don't get the question... Help appreciated. 
pre calculus
A parallelogram has a 70 degree angle and sides 6 cm and 10 cm long. How long are its diagonals? 
pre calculus.
x is a first quadrant angle. In what quadrant(s) does the terminal side for 2x lie? 
precalculus
solve the following inequality 16(x^21) >16x the solution set is? or there is no solution. 
precalculus
Convert the following parametic equation into a polar equation: x=t y=(2t4)/3 
Pre Calculus
Can you give me an example of properties of functions in a real life example? 
PreCalculus 11
Simplify the following ∛375/4 This is how far I got ∛5*5*5*3/4 
Pre Calculus
Simplify the expression. 9 log 9 2 This is 9 to the power of log base 9 of 2 a. 2 b. 18 c. 4 d. 9 e. none of these 
pre calculus honors
solve the system if possible  x+y+z = 15   < 7x+y+z = 75    3x+yz=29 a. x=10,y=2,z=3 b. x=–10,y=–2,z=–3 c. x=3,y=10,z=–3 d. x=12,y=9,z=–3 e. no solution; inconsistent system 
PreCalculus
Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Sin(A+B). 
PreCalculus
Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Cos(A+B). 
Pre calculus
Write a polynomial function given the zeroes: 11i and 11i 
Pre Calculus
Verify the following identity 2 tan x/1+tan^2 x = sin 2x 
Pre Calculus
Establish the following identity tan(x+pi/4)=1+tanx/1tanx 
PreCalculus
3n=squareroot of 10n1 And Y=squareroot of 7y10 Help would be greatly appreciated! 
Pre Calculus
Inverse functions what is the inverse function of f(x)=1/square root of x +1? and f(x)=1x^2, x<0? 
Precalculus
how do you graph f(x)={2x+5 if x<0 {5 if 0¡Üx¡Ü10 {2x10 if x>10 (the {'s is supposed to be one long one) 
PreCalculus
solve by fully factoring x^37x6=0 How would I fully factor this? 
PreCalculus
Simplify arctan 1/3 + arctan 2/3(round to the nearest degree). 
pre calculus
Find the exact values: tan(7pi/4)  tan (pi/6) 
Pre calculus
Find a unit vector in the direction of the given vector. v=(1,1) 
PreCalculus
if cos theta =7/13, where 0<theta<pi/2, fin the value of cos2theta 
PreCalculus
Simplify the trigonometric expression: cos^3x+sin^2x cos x 
Precalculus
Can someone please help me with this problem.. I don't get it! Solve (sqrt 5r  9)3 = sqrt(r+4)2 
math: precalculus
Solve the equations. Log(6x1) = Log(x+1) + log4 
PreCalculus
Find a polynomial with the zeros 1, 7, sqrt2, and (sqrt2). Can this be f(x) = x^4  6x^3  9x^2 + 12x + 14? 
Pre Calculus
Find the value of x. log4 65,536 = x a. x = 32,768 b. x=8 c. x = 65,536 d. x=4 
PreCalculus
csc theta = sqr root of 5, what is cot theta? 
PreCalculus
Convert to Rectangular: r*tan theta/sec theta=2 A. y=2 B. y=1/2 C. x=2 D. x=1/2 
Pre Calculus
Find the 2 x 2 matrix A such that pmatrix{(1,1)(1 1)} A = I, where I is the 2 x 2 identity matrix. 
Pre calculus
4x^225y^28x100y196=0 how do i find the conic section to find the center? 
PreCalculus
I'm having a had time with this problem. Could you please help with step by step resolution? e^x / e^1 + 3 dx Thank you.. 
PreCalculus
Assume sin A = sin B. If A = π/8, find B. Please show work so I'll know what to do. 
PreCalculus
Determine the equation of a line that passes through (2,2) and is parallel to the line tangent to y=3x^32x at (1,5)? 
Precalculus
Given that alpha=(14pi/3) what is the least positive angle coterminal with alpha? 
PreCalculus
Find the rectangular coordinates of the point with the given polar coordinates. (3, 150°) 
PreCalculus
Express the number in rectangular form. 3(cosπ/3+isinπ/3) 
PreCalculus
Have I converted correctly from standard form to vertex form? y = 3x^2 + 12x+1 = y = 3(x2)^2 13 Thanks 
precalculus
State the amplitude, period, phase shift, and vertical shift of the function y= 3 (1/2x 2/3 pi)4 
PreCalculus
If csc theta = square root of 5 divided by 15, find sin theta 
PreCalculus
csc theta = (sqr root 5) over 15, find sine theta 
pre calculus
Find all of the solutions of the equation x^4625i=0 and represent the solutions graphically. 
PreCalculus
Convert to rectangular: theta=(2pi)/3 A. y=sqrt3 B. y=sqrt3x C. x=sqrt3 D. x=sqrt3y 
pre calculus
change the equation to rectangular coordinates: r= 2(sin theta cos theta) 
Pre calculus
Change the equation to rectangular coordinates: r= 2(sin thetacos theta) 
precalculus
What is the polar form of the equation 3x  4y = 12? The answer is r = 12/ (3cosx  4 sinx) (x = theta) I don't know how to get the answer though. 
Pre Calculus
Determine the coordinates of the point (xy) where the curves y=(12)x−5 and y=x2+2x−15 intersect in the third quadrant 
PreCalculus
How do I write the quadratic function f(x) = 1/2 (6x^2  24x + 22) in standard form, and go about graphing the function? 
pre calculus
Change the exponentioanl expression to an equivalent expression involving a logarithm. e^1/3 = 9t Somebody help PLease! 
Pre Calculus
(cotx)(cscx)+secx=(csc^2x)(secx) Please help to verify this trigonometric identity. 
pre calculus
for the given function f and g, find the specified value of the function. State the domain: f(x)=2x5; g(x)=7x9 a. (fg)(x)= b.(f/g)(x)= I need help! 
Precalculus
Explain how the graph of f(x)=(2)/(x3)^2 can be obtained from the graph of y=1/x^2 by means of translations, compressions, expansions, or reflections. 
Pre  calculus
Can someone please explain how to simplify this proiblem: cotx/sec^2 + cotx/csc^2 
PreCalculus
Find the polar coordinates of each point with the given rectangular coordinates. Use degrees. (4,3) 
PreCalculus
Find all rational zeros of the polynomial, and write the polynomial in factored form? P(x)= 2x^33x^22x+3