find the zero of the function: f(x)=7.5x20
95,311 results

calculus 1
f(x) = 3x^3  9x + 5 find the: 1) zeroes or undefined values 2) intervals where the function is greater than zero 3) intervals where the function is less than zero 4) coordinates of all maxima and minima 5) intervals where the function is increasing 6) intervals where the ... 
calculus
Find the interval which contains a zero for the given function. The use Newton's method to approximate the zero of the function within 0.001. a.) f(x)=x^3+x1 b.)f(x)=2x^3+x^2x+1 
College Algebra 105
use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=169x^7x^6+x+13 and then the second part is find the potential rational zero's. 
domain
Find the domains of f and f' 1, f(x) = xe^x 2. f(x) = x^(3/5) 3. f(x) = x/(x2) TIA 1) R 2) It's the interfal from zero to infinity for f but for f' it is this inteval with zero excluded, because unlike f, f' is singular at zero. 3) Here only the point 2 has to be excluded ... 
college algebra
use the given zero to find the remaining zeros of each function.g(x)=x^3+3x^2+25x+75;zero:5i 
algebra
Use the given zero to find the remaining zeros of the function. (hx)= 3x^4+5x^3+25x^2+45x18; zero:3i labe 
Algebra
Find a polynomial function of degree 6 with −1 as a zero of multiplicity 3, 0 as a zero of multiplicity 2, and 1 as a zero of multiplicity 1. The function is f(x) = 
math
use the given zero to find the remaining zeros of the function: F9x)=x^35x^2+4x20; zero:2i I don't get it. Can someone please show me what to do with this? 
maths(urgent)thanks.
a parabola with turning point at (1,2) and passing through the origin.find the equation of this parabola. how do i do this? can someone please show me how to solve it step by step?thanks! You know that at x = 0 the function is zero. Because the turning point is at x = 1 must ... 
calc
find the values of a nad b if the function f(x)=2x^3 + ax^2 + bx + 36 has a local max when x=4 and a min when x=5 First you calculate the derivative: f'(x)=6x^2 + 2ax + b (1) At the local maximum and minumum f' is zero. If a polynomial is zero at some point p, then it must ... 
college algebra
use the given zero to find the remaining zeros of the function h(x)=x^415x^3+60x^2+70x816 zero: 53i 
precal
use the given zero to find the remaining zeros of the function. h(x)=x^412x^3+36x^2+68x525 zero:43i 
algebra
Using the rational zeros theorem to find all zeros of a polynomial The function below has at least one rational zero. Use this fact to find all zeros of the function g(x)=5x©ù28©ø48x©÷8x+7 if more than one zero, separate with commas. Write exact values, not decimal ... 
algebra
use the given zero to find the remaining zeros of the function h(x)=x^415x^3+60x^2+70x816 zero: 5 show work 
algebra
Using the rational zeros theorem to find all zeros of a polynomial The function below has at least one rational zero. Use this fact to find all zeros of the function h(x)=7x^49x^341x^2+13x+6 if more than one zero, separate with commas. Write exact values, not decimal ... 
graphing exponential function
P(x) = (xa)^4 (xb)^3 (xc) where a>0, b<0, c>0, a<c How do I sketch a graph of this? Thanks First you put the points a, b and c on the xaxis, doesn't matter precisely where, as long as it satisfies the conditions: a>0, b<0, c>0, a<c. Then you use ... 
math
i need to find when the function increases or decreases, this is the derivative of the function (10 − 3x)/(2 ¡î5 − x) but how do you solve the function when x is zero? 
Maths, continuity
Plz help me out with a solution... f(x) = sin(1/x) when x is not = to 0 and f(0) = 0 Thanx in advance... A function is continuous if Limit of y>x of f(y) equals f(x) for every x. In this case you have t see if this is the case for x = 0. f(0) = 0, therefore we need to ... 
to your reply, please check again
that should of said Zero: 5  3 i for the one that stated use the given zero to find the remaining zeros of the function h(x)=x^415x^3+60x^2+70x816 
horizontal asymptote
Find the horizontal asymptotes of the function's graph y = 200 / (1+10e^(0.5x)) If you let x > minus infinty the exponential tends to zero and the function approaches 200. If x > infinity then the exponential becomes infinite and therefore the limit is zero. So, the ... 
Math
Find a polynomial function of degree 7 with 2 as a zero of multiplicity 3, 0 as a zero of multiplicity 3, and 2 as a zero of multiplicity 1. f(x)= Gracias 
Math
Find a polynomial function of degree 4 with2 as a zero of multiplicity 3 and 0 as a zero of multiplicity 1. f(x)= Gracias 
Algebra
Find a polynomial function of degree 4 with −2 as a zero of multiplicity 3 and 0 as a zero of multiplicity 1. f(x)= Thank you! 
algebra
Want to make sure I am doing this correctly. Use the Intermediate Value Theorem for polynomials to show that the polynomial function f(x)has zero between the numbers given. f(x)=3x^2x4 ; 1 and 2 3(1)^214=  2 below zero 3(2)^214= 6 above zero Am I doing this problem correct 
College Algebra
1.Give a quadratic function q(x) with a vertex of (1, 2). 2. Give a function h(x) which does not have an inverse function. 3. Give a polynomial function g(x) with zeros 1,2,3 4. Give an exponential function s(x) passing through (0,2) and (4,1). 5. Give a rational function R(x... 
Math
Write a rational function satisfying the following criteria. vertical Asymptote: x=1, slant asymptote: y=x+2, zero of the function: x=3 I had f(x)=x^2+3x+2/x+1, that only works for the asymptotes and not the zero can someone please help me figure how to satisfy all three ... 
ap algebra
Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the xaxis or touches the xaxis and turns around, at each zero. f(x) = 2(x  2)(x + ... 
ap algebra
Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the xaxis or touches the xaxis and turns around, at each zero. f(x) = 2(x  2)(x + ... 
Precalc
The complex number 3 + 2i is one zero for a polynomial function. Which complex number must also be a zero for this function? 3 + 2i 3 + 2i 3  2i 3  2i I am very confused with what the question is exactly asking. Please help? Thanks 
Calculus
How many critical points does the function f(x) = [(x2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9  Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to find some critical ... 
math please
1.Give a linear function with its zero at x=a, what is the equation of the vertical asymptote of its reciprocal function? 2.Give a quadratic function with its zeros at x=a and x=b, what are the equations of the vertical asymptotes of its reciprocal function? 3.Once you know ... 
Calculus
Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= 0.1 0.01 0.001 0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the limit of f(x) as ... 
Calculus
Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= 0.1 0.01 0.001 0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the limit of f(x) as ... 
College Algebra
3x1/x^210x+26 Find all (real) zeros of the function Find all (real) poles of the function The function has... A horizontal asymptote at 0? A nonzero horizontal asymptote? A slant asymptote? None of the above 
Algebra
Use the given zero to find the remaining zeros of the function. f(x)=x^32x^2+9x18;zero;3i Enter the remaining zeros of f = 
Calculus
Consider the function f(x)=sin(5x)/x. (a) Fill in the following table of values for f(x): x= 0.1 0.01 0.001 0.0001 0.0001 0.001 0.01 0.1 f(x)= ( I need the values of f(x) for each x) (b) Based on your table of values, what would you expect the limit of f(x) as x approaches... 
Math
The graph of a rational function has a local maxima at (1,0) and (8,0). The complex number 2+3i Is a zero of the function. What is the least possible degree of the function Answer is 6 But i need help with an explanation. 
PreCalc
Fill in the blank; •In the process of polynomial division (Divisor)(Quotient)+_______=_______ •When a polynomial function f is divided by xc, the remainder is _______. •If a function f, whose domain is all real numbers, is even and if 4 is a zero of f, then _______ is ... 
algebra
find the zero of the function: f(x)=7.5x20 
Math
find an equation for a ploynomial function with zeros, negative 8, negative 3 over 4, 1 over 5, and 2. hey it is 53h8kkds f (x) = x(x+8)(x+ 3/4)(x 1/5)(x2) will be zero when any one of the factors is zero. Multiply the factors to get the polynomial form. 
Math
The graph of a rational function has a local maxima at (1,0) and (8,0). The complex number 2+3i is a zero of the function. What is the least possible degree of the function? I know The correct answer is 6. I need help with the explanation please. 
Math
The function f(x)=x^2+5x+6 has zeros at 2 and 3. What are the zeros of the function y=2f(x/11) ? Do you just plug x/11 into each x value in f(x)? Like f(x)= (x/11)^2+5(x/11)+6 (I exclueded the 2 because if I divide 0 by 2, it's still zero)? But then how can you find the ... 
Mathprecalc
Is it possible to find a rational function that has xintercepts (2,0) and (2,0), but has vertical asymptote x=1 and horizontal asymptote of y=0? The horizontal asymptote and the xintercepts parts stump me. If you can't reach y=0, then how can you get the xintercepts? And I... 
Precalc
Use the given zero to find the remaining zeros of the function: h(x)=x^415x^3+55x^2+155x1476 Zero:54i I multiplied [x(54i)][x(5+4i)] and got x^210x+9. The example I have says to divide that by h and get a second quadratic equation that is also a factor of h. I have to ... 
Calculus
Write an expanded polynomial equation based on the following information. A cubic function with a zero x=3 (with multiplicity 2), a zero at x=2, and a constant term of 18. 
Math
find the the 2nd derivative and set equal to zero in order to find inflection points of the function f(x)=1/(5x^2+4) 
use the given zero
Use the given zero to find the remaining zeros of the function. f(x)=x^32x^2+9x18;zero;3i Enter the remaining zeros of f = 
Pre Cal
Write an expanded polynomial equation based on the following information. A cubic function with a zero at x=3 (with multiplicity 2), a zero at x=2, and a constance term of 18. 
Math
A, find domain each function, locate any intercept, also based on graph find the range and ? F(x) 2x of x not equal to zero 
algebra
Find the points of discontinuity and any holes. y=x^21/(x^2+3x+2) please and thank you y =(x^21)/((x+1)(x+2)) =(x1)/(x+2) we cancelled the (x+1)/(x+1) which is 0/0 for x=1 so in our simplified expression when x=1 y = 2 There is a "hole" at (1,2) in the final expression... 
Calculus
Let f(x) = x*sin(5.8/x), x not equal to Zero and f(x) = L, x = Zero. Find the value of L so that f(x) is continuous at Zero. Thanks!! 
Calculus
For y=(1/4)x^4(2/3)x^3+(1/2)x^23, find the exact intervals on which the function is a. increasing b. decreasing c. concave up d. concave down Then find any e. local extreme values f. inflection points  I thought it'd be better to find extreme values first, then you can ... 
Precalculus
1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the function f(x) = ax^3 3x... 
Calculus
Graph the function f(x)= x sin( 1/x) and the equations y=x and y=x in the same viewing window on your calculator. Then use the squeeze therom to find the limit of f(x) as it approaches zero. I graphed the function and equations, but I am confused on how to find the limit ... 
math finding zeros
Using the given zero, find all the zeroes and write a linear factorization of f(x) 1 + i is a zero of f(x)= x42x^3x^2 + 6x 6 I did synthetic division and I got that it wasn't a zero? 
Algebra
Using rational zero theorem find all rational zeros P(x)=3x^3+43x^2+43x+27 Factors: 27, 1, 3, 9, 27 Factors: 3, 1, 3 +1/3, +1, +3, +9, +27 possible rational zero for function P(x) 
Calculus
What is the limit of this function as x approaches 0? cos(x)  1 / x From what I gather, the limit is equal to 0, since on the right, the function approaches from negative values close to zero and on the left, it approaches 0 with positive values close to zero. Would this be ... 
Calculus
Find all points on the graph of the function f(x) = 2 cos(x) + (cos(x))2 at which the tangent line is horizontal. Consider the domain x = [0,2π). I have pi/2 and 3pi/2 for x values. But when I plug them I get zero. Is this correct as y values or am I solving it wrong? I ... 
calculus
Use the Newton method to approximate the indicated zero of the function. Continue with the iteration until two successive approximations differ by less than 0,0001 the zero of: f(x)=x^3+2x^2+x7 between x=1 and x=2, x0=1 
Pre Calc
I am familiar with this type of problem but can't seem to get the right answer. Use the given zero to find the remaining zeros of each function f(x)=x^49x^3+7x^291x348,zero 52i I normally would use synthetic division with the root 52i bringing it down to x^3. Then ... 
Calc and Vectors
Corey is asked to find the maximum value of a function. Not having a complete understanding of the process, Corey decides to find the derivative of the function, set it equal to zero, and solve. The resulting value, Corey reasons, will yield the maximum point. Explain fully ... 
Math
use the given zero to find all the zeros of the function. f(x) = x^3 + x^2 + 9x + 9 r = 3i I do not understand this!! 
math
a company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x)=4x, where x is the number of sailboats. Find and simplify the profit function, P(x). How many boats must be sold for... 
math
* Give a linear function with its zero at x = a, what is the equation of the vertical asymptote of its reciprocal function? * Give a quadratic function with its zeros at x = a and x = b, what are the equations of the vertical asymptotes of its reciprocal function? 
algebra functions
look at the function and answer the questions. x y 3 2 1 0 0 5 1 2 2 7 What is x when f(x)=2 ? What is a zero of this function? 
Math
This is on the 2008 Free response AP Calc AB exam #4a. Let f be the function given by f(x)=(lnx)(sinx). The figure above shows the graph of f for 0<=x<=2pi. The function g is defined by int{1,x} f(t)dt for 0<x<=2pi. a) find g(1). I don't get why it is equal to ... 
Algebra 2 reposted no one answered
look at the function and answer the questions. x y 3 2 1 0 0 5 1 2 2 7 What is x when f(x)=2 ? What is a zero of this function? 
math
A model rocket is launched straight upward. Its altitude y as a function of time is given by y = btct2 , where b = 82 m/s, c = 4.9 m/s2 is the time in seconds, and y is in meters. (a) Use differentiation to find a general expression for the rockets velocity as a function of ... 
algebra
Find the Zero of the Function...I am clueless as to how to help my son with this math. Here is the problem. f(x)=16x4 
PreCal
Find the greatest integral upper bound of the zeros for the following function. f(x) = 4x^3  2x^2  12x + 1 Find the real zero(s) to the nearest tenth. f(x) = 2x^3 + x^2  1 [I believe the numbers should be around 1 and 0 and 0 and 1.] 
PreCalculus
Approximate the greatest real zero of the function g(x)= x^33x+1 to the nearest tenth. I know that there is a zero between 2 and 1, and another between 0 and 1 but do not know how to find it to the nearest tenth. The only example shown in my book uses a calculator and mine ... 
calculus
Find the first four iterates of the function using the given value. f(x)= x(2.5  x); x sub zero = 3 
calculus
Find a formula for a quadratic function whose graph has a yintercept at y = 21 and only one zero at x = –28. 
math
Find a quadratic function in standard form that has 31/4i as a zero and also passes through the point (1,70). 
College Algebra
1. Use the Intermediate Value Theorem to show that the polynomial function has a zero in the given interval. f(x) = 13x^4  5x^2 +7x 1; [3,0] Enter the value of (3). 2. Use the Intermediate Value Theorem to show that the polynomial function has a zero in the given interval. ... 
function
given that f(x)= 37x+5x^2x^3, factorise the polynomial completely, hence state the set of values of x for which the function is equal or less than zero . 
Factor Theorem Math
Use the Factor Theorem to determine the rational zeros of this function. Then use other methods to determine any other zero of this function. 4x^4x^311x^22x+6 (I already did p/q and found a total of 16 possible zeros. I synthetic divide all of them and none gave me a root ... 
alg 2
find all zeros of the following function: f(x)=x^3x^2+4x4 I have (x^2+4)(x+1) so one zero is 1. how do i find the two other zeros. 
Linear Algebra
Hello, I'm trying to find the Fourier Series of a function which is 1 from pi/2 to pi/2, and zero everywhere else inside of pi to pi. I realize this is a square wave and I began the problem with a piecewise function s(t) = 1 abs(t) < pi/2 0 abs(t) > pi/2 Then I had a_k... 
Linear Algebra
Hello, I'm trying to find the Fourier Series of a function which is 1 from pi/2 to pi/2, and zero everywhere else inside of pi to pi. I realize this is a square wave and I began the problem with a piecewise function s(t) = 1 abs(t) < pi/2 0 abs(t) > pi/2 Then I had a_k... 
Calculus
I'm supposed to find the average value of the function over the given interval. f(x) = sin(nx), interval from 0 to pi/n, where n is a positive integer. I know the average value formula, and I know that the integral of that function would be (1/n)cos(nx), but I keep getting ... 
Algebra
I need help with a few questions, please explain. 1. Write a polynomial function in standard form with zeros 1, 1, 6. 2. Find the roots of the equation x^3 – 3x^2 + x + 5 3. Describe the number and type of roots for the polynomial (how many real and complex?). x^3 + 5x^2... 
Algebra
Suppose that a polynomial function of degree 5 with rational coefficients has 0 (with multiplicity 2), 6, and –2 + 3i as zeros. Find the remaining zero. A. –6 B. –2 – 3i C. 0 D. 2 + 3i 
algebra
Find all zeros of the polynomial function P(x)=x^4 + 2 x^3  x^2  2 x . If there is more than one zero write them separated by commas. x= 
calc
one more question!! what values of c deos the polynomial f(x) = x^4 + cx^3 + x^2 have two inflection points? one inflection point? At the inflection point, the slope of the curve is zero. Find the dervative of f(x) and set it equal to zero. For certain values of c, there will ... 
Math
A continuous function f has domain of all real numbers. If f(1) = 5 and f(1) = 5, explain why function f must have at least one zero in the interval [1, 1] 
Calulus
Consider the function y = 2x^33x^2+9x+5. 1. Find where the function is increasing, where the function is decreasing, and calculate all relative extrema (local max and local min) 2. Find where the function is concave up, where the function is concave down, and find the ... 
parabolas
how do i find the equaion of the following parabolas? 1)intercepts at (2,0),(8,0) and (0,48) 2)turning point at (1,2) and passing through the origin. can someone please teach me how to do this??thanks! The first: Write you standard equation of a parabola (it has two x ... 
Math 116
Use all available methods (in particular, the Conjugate Roots Theorm if applicable) to factor the polynomial function completely, making use of the given zero, f(x)=x^4+x^3+4x^2+196x2205; 7i is a zero. 
Math
How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2x^4 please help me somebody find the derivative and set it equal to zero 
algebra
which of the following is true about the polynomial f(x) = x3 + 9x2 + 24x + 16 ? a. 1 is a zero b. 1 is a zero c. 2 is a zero d. 2i is a zero 
Math Help Please
Suppose that a polynomial function of degree 5 with rational coefficients has 0 (with multiplicity 2), 3, and 1 –2i as zeros. Find the remaining zero. A. –2 B. –1 – 2i C. 0 D. 1 + 2i 
Algebra
Suppose f(x) is a rational function such that 3f(1/x)+(2f(x)/x)=x^2 for all nonzero x. Find f(2). I noticed that f appears as f(x) and f(1/x). That's probably important... 
Pre Calculus 12
Graphing trigonometric functions A sinusoidal function has a maximum at (2,10) and its next minimum (5,2) find an equation that represents this situation A sinuosoidal function has a zero at (5,0) and its next minimum is (7,4). find an equation that represents this situation... 
increasing decreasing and more
How to analytically find the intervals on which the function y = 2x^4  4x^2 + 1 is 1)increasing 2)decreasing 3)concave up 4)concave down Also find any local extreme values and inflection points. Thanks. (1) The function is increasing when the first derivative dy/dx = 8x^3  ... 
Algebra
Please check my answers. Thanks! Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. 5.2x^313x^2+22x8=0 My answer:{1/2,2,4} 6.x^38x^2x+8=0 My answer: {1,1,8} Find the rational zero of the ... 
calc
Consider the function below. (Round the answers to two decimal places. f(x) = 2x tan(x) p/2 < x < p/2 (a) Find the interval where the function is increasing. Find the interval where the function is decreasing. (b) Find the local minimum value. (c) Find the interval ... 
Math
ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X  1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X  1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X OH!!!!!!!!!!!!!! wait so I'm... 
precal
Let f(x) be polynomial function. Explain in your own words how to use the Rational Zero Theorem to find the real zeros of f (x). 
PreCalculus
Suppose that a polynomial function of degree 5 with rational coefficients has the given numbers as zeros. Find the other zero( s): 1, radical 3, 11/3