477 Answered Questions for the topic Precalculus Homework
06/06/18
State the range
If f(x) = 3x+2 / x^2+6x+9, State the range of f^-1(x).
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06/06/18
Find the coordinates of the hole:
Find the coordinates of the hole of
f(x) = x+1/x^2-4x-5
Show all work.
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Precalculus Homework
05/14/18
Precalculus homework
divide the polynomial x^4+ 2x^3- 2x^2- 9 by x +3. Report your answer in standard form with a remainder.
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Precalculus Homework
05/14/18
Precalculus Homework question
write an equation for the porabola that satisfies the conditions a focus at (-2,0), directrix at x= -4
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Precalculus Homework
05/01/18
Evaluate the Limit as x approaches -5. (-2/x+5)
Evaluate the Limit as x approaches -5. (-2/x+5)
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Precalculus Homework
05/01/18
A scientist has 86 grams of a radioactive substance that decays at an exponential rate. Assuming k=-0.4, how many g of this substance remain after 10 days?
I can not find the answer to this problem.
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Precalculus Homework
05/01/18
find the balance in an account at the end of 14 years if $5000 is invested at an interest rate of 9% that is conpunded continuously
I can not figure out the answer to this question.
Precalculus Homework
04/30/18
If tan theta equals 10/7 and if cos theta is less than 0 then whats sec theta, cos theta and sin theta
Need help fast !!
Precalculus Homework
04/23/18
How to find simplified rectangular equation?
Eliminate parameter t in the parametric equations below to find a simplified rectangular equation for the curve.
x = 2 sec t
y = tan t
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Precalculus Homework
04/20/18
pre-calc math
Express f(x) in the form f(x)=(x-k)q(x)+r for the given value of k:
f(x)=3x^4+5x^3-10x^2+16; k=-1
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04/09/18
A complicated polynomial graph ;y=3e^x-2
I am studying for a pre-calc. final. I am stuck on the question y=3e^x-2. I have gotten the answer through desmos but am struggling to solve the problem on my own. Any help appreciated, thank you.
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Precalculus Homework
03/08/18
what csc if cot is 1
Find csc θ if cot θ is 1
Basic Trig Quiz
Precal / Geometry
Homework
12th Grade
Math/ College Math
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03/04/18
PLEASE HELP!!! question: Two positive numbers have the property that one more than the first number plus four less than three times the second, totals to 100.
(i) If we call the first number x, and the second z, write an equation that relatesthese numbers.(ii) Use (i) to write an equation that gives the second in terms of the first.(iii) Use (ii) to...
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Precalculus Homework Math
02/27/18
Find the magnitude and bearing (in degrees, 0 ∘ ≤ θ ≤ 90 ∘ ) of the vector < 3 , 4 > .
Find the magnitude and bearing (in degrees, 0 ∘ ≤ θ ≤ 90 ∘ ) of the vector < 3, 4 >.
Give your answers to the nearest hundredth.
Magnitude ____
Bearing ____(write N, S, E or W)
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Precalculus Homework
02/20/18
if cos(x)= sqrt(2)/2 then what is x on the interval [0, 2pi)
if cos(x)= sqrt(2)/2 then what is x on the interval [0, 2pi)
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Precalculus Homework
02/11/18
Given f(x) = x2 + 3x + 9, find the following. a. f(0) (b). f(1) (c). f(−1) (d). f(−3) (e) .f(a) (f).f(x + h)
Given f(x) = x2 + 3x + 9, find the following.(a) f(0) (b) f(1) (c) f(−1) (d) f(−3) (e) f(a) (f) f(x + h)
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02/07/18
Find the average rate of change of the function on the interval specified for real number h. j(x) = 2x3 on [1, 1 + h]
Any help would be greatly appreciated.
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Precalculus Homework
01/28/18
Find all of the real and imaginary zeros for the polynomial function. N(t)=4t^3−10t^2+4t+5
Find all of the real and imaginary zeros for the polynomial function.
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Precalculus Homework
01/25/18
Determine if the equation in 2 variables has y-axis symmetry or origin symmetry. Justify.
Y=x4-3x2+1
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01/24/18
Aaron runs at a constant speed of 10 feet per second. If Aaron is 48 feet from his front door when he starts running down a straight road toward school, how far
Aaron runs at a constant speed of 10 feet per second. If Aaron is 48 feet from his front door when he starts running down a straight road toward school, how far is Aaron from his front door when he...
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Precalculus Homework
01/22/18
Among all rectangles that have a perimeter of 76 76 , find the dimensions of the one whose area is largest
Among all rectangles that have a perimeter of 76, find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.
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Precalculus Homework
01/11/18
Assume wheels are radius 15 inches and video is recorded at 20 fps
Assume wheels are radius 15 inches and video is recorded at 20 fps
Q: How would your eyes interpret video of a wheel rotating at 1200 rpms? How fast is this?
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Precalculus Homework
12/23/17
Find the values that x2-y2 can take.
-3<x≤4
-4<y<-1
Find the values that x2-y2 can take.
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