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December 11, 2016

# Search: Pre-calc/Trig

Number of results: 11,221

Pre-Calc/Trig...
If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)
October 3, 2014 by Anonymous

pre-calc/ trig
Sinx=0
October 15, 2013 by Amy

Pre-Calc/Trig...
what is In e^4.3 equivalent to? How?
December 10, 2014 by Anonymous

Pre-calc/trig
5=log3(x^2+18)
January 4, 2015 by Anonymous

Pre-Calc/Trig...
Assume f(x) = -2x + 8 and g(x) = 3x. What is the value of (f + g)(-1)?
October 3, 2014 by Anonymous

Pre-Calc/Trig...
vertex form:y-4=-(x-4)^2
October 6, 2014 by Anonymous

Pre-Calc/Trig
Help Please Find (fog)(2) and (f+g)(2) when f(x)= 1/x and g(x)=4x+9
September 28, 2014 by Anonymous

Pre-Calc/Trig...
Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
October 15, 2014 by Anonymous

Pre-Calc/Trig
How would I solve this? x^2+10x+24=0
October 25, 2014 by BelovedAngel

Pre-Calc/Trig
Have i solved this correctly? x^2+3x-28=0 (x+7)(x-4)=0 x=-7 or 4
October 25, 2014 by BelovedAngel

Pre-Calc/Trig...
Find S5 for a geometric series for which a1 = 81 and r = 1/9.
December 3, 2014 by Anonymous

Pre Calc , Math
Find the 6 Trig ratios of -7Pie/3
January 2, 2011 by Joe Daddy

Pre-Calc/Trig
Help please State the x and y-intercepts for each function. f(x)= -x^3+4x
November 10, 2014 by Anonymous

Pre-Calc/Trig
What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3
November 14, 2014 by Anonymous

Pre-Calc/Trig
is the integer n odd or even, explain
November 24, 2014 by Anonymous

Pre-Calc/Trig...
Write the equation y = bx in logarithmic form.
December 3, 2014 by Anonymous

Pre-Calc/Trig...
Use the rules of logarithms to expand [(x+3)^4(x-5)^7]
December 5, 2014 by Anonymous

Pre-calc, Algebra, Trig
(2x squared-3x +1)(4)(3x+2)cubed (3)+(3x +2)raised to the 4 (4x-3) Simplify
January 20, 2009 by Josiah

Pre-Calc/Trig...
Use the discriminant to determine the nature of the roots. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
October 15, 2014 by Anonymous

Pre-Calc/Trig...
Write the equation y = log x in exponential form.
December 4, 2014 by Anonymous

Pre-calc/Trig
For each parabola, find the vertex and focus. x= (1/400)y^2 y= 1/8(x-3)^2-1
January 4, 2015 by Anonymous

Pre-calc/Trig...
which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3
October 8, 2014 by Anonymous

Pre-Calc/Trig
y=-x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x-4)
October 27, 2014 by Anonymous

Trig/Pre-Calc
Solve the polynomial equation. 15x^3-119x^2-10x+16=0
November 13, 2014 by Anonymous

Pre-calc/Trig
For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= -1/24x^2
January 4, 2015 by Anonymous

Pre-Calc/Trig...
am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1
October 14, 2014 by Anonymous

Pre-Calc/Trig...
Help me please. Solve the equation: (x-3)(x+2)=0 Enter the solution with the lowest value.
October 16, 2014 by Anonymous

Pre-Calc/Trig
Describe the end behavior for function by writing a limit expression. f(x)=2x^5-x+7
November 11, 2014 by Anonymous

Pre-Calc/Trig
write an equation of the conic section: a hyperbola with vertices (0,-6) and (0,6) and asymptotes y=(3/4)x and y=(-3/4)x
January 13, 2015 by Anonymous

Pre-Calc/Trig
Helpp please State the domain and range of each of the following functions: 1. f(x)=1/(x+3) 2. g(x)=√x+6 3. h(x)=x^3+2x+5
September 28, 2014 by Anonymous

Pre-Calc/Trig...
Am i correct? A vertical shift is an example of a non-rigid transformation. True
October 14, 2014 by Anonymous

Pre-Calc/Trig
I have looked this up, but still cant figure out what it is.. What is the projectile motion function?
October 27, 2014 by Anonymous

Pre-Calc/Trig...
Help me please Is the given linear expression a factor of the polynomial? Show work. f(x)=2x^3+x^2-5x+2; x+2
October 31, 2014 by Anonymous

Pre-Calc/Trig
Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^3-2x^2-5x-2
November 7, 2014 by Anonymous

Pre-Calc/Trig
Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x
November 14, 2014 by Anonymous

Pre-Calc/Trig...
Which of the following could be an example of a function with a domain (-oo,oo) and a range (-oo,2)? Check all that apply. A. y= -(3)^x+2 B. y= -(3)^x-2 C. y= -(0.25)^x+2 D/ y= -(0.25)^x-2
December 9, 2014 by Anonymous

Trig/Pre-Calc
Need help with current Trig problem for tomorrow: Solve the logarithmic equation algebraically. Approximate the result to three decimal places. 6log3(0.5x)=11 I know to start off the equation you divide by 6. I know the answer is 14.988. I just am puzzled on how to receive the...
May 16, 2011 by Eric

Pre Calc Trig
Verify the following: tan( a + p/2) = -cot a a= alpha and p= pie since I do not have that button.
March 29, 2011 by Brittany

Pre-Calc/Trig
Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40
November 7, 2014 by Anonymous

Pre-Calc/Trig
Go over this with me please, I forgot how to do it. Solve the polynomial equation. 15x^3-119x^2-10x+16=0
November 17, 2014 by Anonymous

Pre-trig/Calc
Please help me. Use Descartes' rule of signs to describe the roots for each polynomial function. 3. m(x)=x^3+3x^2-18x-40
November 9, 2014 by Anonymous

Pre-Calc
I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c) + 1 ...
May 9, 2007 by Sarah

Pre-Calc/Trig...
Which of the following quadratic functions has a graph that opens downwards? check all that apply A. y=2x^2-9x+3 B. y=x^2+4x+8 C. y=-(5+2x^2) D. y=60x-15x^2
October 9, 2014 by Anonymous

Pre-Calc/Trig...
I have one way, but cant think of another? Show two ways of finding y if y = log4 64. Explain your thinking. 4^x=64 x=3
December 4, 2014 by Anonymous

Pre-Calc/Trig..
Write a function for the graph described as a transformation of y=x^2 y=x^2 experiences a vertical stretch of factor 2 and then a shift right of 3 units.
October 7, 2014 by Anonymous

Pre-Calc/Trig
Identify the extrema for the function. Classify it as a relative (local) or absolute (global) maximum or minimum value. f(x)=4x^3-12x^2+15
November 11, 2014 by Anonymous

Pre-Calc
Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
October 3, 2011 by Leah

Pre-Calc/Trig...
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7
October 7, 2014 by Anonymous

Pre-Calc/Trig...
Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2
October 7, 2014 by Anonymous

Pre-Calc/Trig
How would I solve this one? I just can't get this one. 6x^2+11x-35=0
October 25, 2014 by BelovedAngel

Pre-Calc/Trig...
Help me please. Simplify 1. √-36 2. -√-625
October 17, 2014 by Anonymous

Pre-Calc/Trig...
Which of the following is the equation of a line parallel to the line y = 3x + 2, passing through the point (10,1)? 3x + y = 29 3x - y = 29 -3x - y = 29 3x + y = 29
October 3, 2014 by Anonymous

Pre-Calc/Trig...
Help me do this please. Simplify the expressions using imaginary numbers. 1. √-16 2. √-49
October 15, 2014 by Anonymous

Pre-Calc/Trig...
if h(x)=(fog)(x) and h(x)=3√x+3 find g(x) if f(x)= 3√x+2
October 4, 2014 by Anonymous

Pre-Calc/Trig...
Write a function with the following characteristics: A vertical asymptote at x=3 A horizontal asymptote at y=2 An x-intercept at x=-5
November 12, 2014 by Anonymous

Pre-Calc/Trig
Help me please, I don't understand this write using exponential notation √ 36* 3√ 64 oh and 3 is an exponent
November 24, 2014 by Anonymous

Pre-Calc/Trig...
Given a geometric sequence with a1 = 6 and r = 2/3, write an explicit formula for An, the nth term of the sequence.
December 3, 2014 by Anonymous

Pre-Calc/Trig...
The nth term of a geometric sequence is given by an = 1/4(4)^n-1. Write the first five terms of this sequence.
December 3, 2014 by Anonymous

math- pre calc/trig
Find the length of each side of a square if the diagonal is 7(square root 2)? How do I solve or set up this problem?
September 30, 2014 by jen

pre calc
express the followinf trig functions in terms of an acute angle. (a) cos 143 degrees (b) tan 192 degrees
January 25, 2010 by kate

Pre-Calc/Trig...
Am i correct? It is possible for a system of linear equations to have no solutions. True <-- False i think it's true, if the lines are parallel?
October 3, 2014 by Anonymous

pre calc
The terminal side of an angle in standard position goes through the poin (-2,5). Find the values of the 6 trig function sin cos tan csc sec cot
April 2, 2009 by jaz

Pre-Calc/Trig
Complete the following for each system that involves one or more quadratic equations: Solve the system algebraically 7y^2-5x^2+20x=3 5x^2+21y^2=209
January 8, 2015 by Anonymous

Pre-Calc/Trig...
Help me please Standard form: y=x^2-2x-3 Vertex form: ??? Intercept form: ???
October 24, 2014 by Anonymous

Trig/Pre-Calc
The demand equation for a microwave oven is given by: p=500-0.5(e^0.004x) Find the demand x for a price of (a) p=\$600 and (b) p=\$300 Any help would be greatly appreciated.
May 17, 2011 by Annonymous

Pre-Calc/Trig...
standard form: y=x^2-4x-5 vertex form: ? intercept form: ?
October 6, 2014 by Anonymous

Pre-Calc/Trig...
Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE
October 14, 2014 by Anonymous

Pre-calc/trig
i think its a or b Which scenario describes periodic behavior? A pendulum swinging back and forth A ball bouncing up and down on the ground The takeoff and landing of a jet plane The path a dolphin swims in the ocean
March 6, 2015 by Anonymous

Pre-Calc/Trig
Please help-I'm stuck really bad What are the roots of the equation x^2 - 4x + 3 = 0 I think I was suppose to use b^2 - 4ac so it would be -4 - (-4)*1*3 = 12 so the roots would be 12 and -12 Thank you for any help you can provide
September 6, 2011 by Sheila

Pre-Calc/Trig...
A ball is thrown upward with an initial velocity of 4ft/sec from a height of ten feet. what is the maximum height that the ball will reach. h(t)= -16+vt+s
October 15, 2014 by Anonymous

Math Pre-Calc/Trig
If 11 square meters of tile are available to make a rectangle whose width must be 6 meters less than its length, what would be the dimensions of the rectangle?
September 30, 2014 by Jen

Pre-Calc/Trig
State the domain and range for each function. y=2x^2/(x^2-1) domain: ? range: ?
November 12, 2014 by Anonymous

Pre-Calc/Calc
Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
April 17, 2013 by Chris Math Hw Help

trig pre calc
cos x (sec x +cos x csc2x)=csc2x
May 13, 2012 by trig identities

Pre-Calc/Trig...
If An is defined as a geometric sequence, is the sequence 1/an also a geometric sequence? Explain your reasoning
December 3, 2014 by Anonymous

Trig/pre-calc
r=8cos(theta)+5sin(theta), convert the polar equation into a rectangular equation and then complete the square and determine the center radius...? Help?! I missed the section, and am not getting anywhere with the text...
August 12, 2011 by A

Pre-Calc/Trig...
Stuck on these two questions, help me please. The graph of y=3x^2-4x+2 opens downwards. True or False? The graph of y=2x^2-4x+2 has a y-intercept of (0,1). True or False?
October 13, 2014 by Anonymous

Pre-Calc/Trig...
is this the correct formula for me to solve this? A bacteria culture has 2,000 bacteria. The number of bacteria increases by 5% each hour. How many bacteria are there after 12 hours? 2,000*0.05^(12-1)
December 3, 2014 by Anonymous

Pre Calc
Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
September 10, 2009 by muffy

trig/pre -calc
hello, i don't quite understand how to do this type of problem: 1. find the exact value of sin (pi/3). even more confusing is 2. find the exact value of csc^-1 (1). i would appreciate any kind of help! thank you!
July 14, 2008 by brandy

Pre-Calc/Trig
A body was found at 6 a.m. outdoors on a day when the temperature was 50oF. The medical examiner found the temperature of the body to be 66oF. What was the approximate time of death? Use Newton's law of cooling, with k = 0.1947. A. Midnight (12 a.m.) B. 5 a.m. C. 2 a.m. D. 3 a...
December 30, 2014 by Anonymous

Pre-calc/Trig
If cot(a)=3 and sin(b)= (15/17) where a being alpha lies in quadrant 3 and b being beta lies in quadrant 2, what is the exact value of sin(2a)
April 5, 2011 by Kibrya

Trig/Pre-Calc
\$2500 is invested in an account at interest rate r, compounded continuously. Find the time required for the amount to (a) double and (b) triple. r=0.085 I know you use the formula A=Pe^rt and you would start by setting it up as follows: A=(2500)e^(0.085)(t) I'm not sure where ...
May 17, 2011 by Bradley

Pre-Calc
This is the last question on my pre-calc homework, I looked through the textbook and have no idea how to do this. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one ...
March 5, 2015 by Cat Jones

Calc or Pre calc
I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
May 14, 2008 by jennifer

Pre-Calc/Trig...
Helpp needed, this is sort of confusing me. Describe the nature of the roots for this equation. 2x^2-x+1=0 A. Two real, rational roots B. Two real, irrational roots C. One real, double root D. Two complex roots
October 17, 2014 by Anonymous

pre calc trig check my work please
sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im doing wrong so i can ...
October 20, 2010 by Anna

I have a question concerning Spring Semester
Im a freshman in college and I just took Chem1, Trig, and Drama (12units). I am planning on taking Chem2, Pre-Calc, and Art1 for spring sem. (13units). I'm not sure if this is too much to take for next semester considering two five unit classes or should I add another class? ...
December 22, 2011 by L.Bianchessi

Trig/Pre-Calc
Could someone please help me on this problem. I'm really confused, and this assignment is due tomorrow. Solve the logarithmic equation algebraically. Approximate the result to three decimal places. log4x-log4(x-1)=1/2 To start off the equation, I know you would do the ...
May 16, 2011 by Eric

math
Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didn't have problem understanding. I don't know what is wrong. what should I do?
February 27, 2015 by john

Pre-calc
prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i need steps to show how i got the answer generally, it is a good idea to change all trig ratios to sines and cosines, and start with the more complicated-looking side. so.... LS = cosx(sinx/cosx + sinx(cosx/sinx...
May 6, 2007 by Stacey

Pre-Calculus
Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
October 3, 2011 by Leah

Pre-Calc/Trig
How?? I only know how to convert standard form functions into intercept form, but I do not understand how to do this. Convert the functions into standard form. 1.y=2(x-4)(x+3) 2.y-2=-3(x+4)^2
October 27, 2014 by Anonymous

Pre-Cal
[Note: I'm still having issues with identities with regard to trig] Verify the Trig. identities: (a). cot(x+y)=(cotxcoty-1)/(cotx+coty) (b). sin0(cot0+tan0)=sec0 [Note: 0=theta symbol]
July 11, 2016 by Amber

Pre-Calc
Consider a triangle ABC. C is a right angle, and side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. The measure of side a= 2, side b= 7, and side c= 7.3 How do you find the angle measure of A and B based on the lengths of the sides? SinAngleB...
September 19, 2006 by Chris

Pre Calc
How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]
March 14, 2009 by MW

pre calc
13-5e^2x=3
October 30, 2009 by Laurie

Pre Calc
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
November 13, 2009 by Pre Calc

pre calc
(1/x^2-49)/(1/x+7)?
February 23, 2010 by Karissa

pre-calc
(3^-2+4^-2)^-1/2
February 16, 2011 by megan

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