15,254 Answered Questions for the topic precalculus

Precalculus

11/09/22

Solve the equation. tan x + 3 = 0 → tan x =
Solve the equation.tan x + 3 = 0 → tan x =
Follows • 1
Expert Answers •1
Precalculus

11/09/22

Please help so confused

Write the equation for logarithmic function that has the following transformations from the parent logarithmic function. The function will have a base 10. You will not have to write the 10 . It is... more
Follows • 0
Expert Answers •1
Precalculus

11/08/22

Precalculus: change equation in polar form
x^2=4y 4x^2 y =1
Follows • 1
Expert Answers •2
Precalculus

11/08/22

Precalculus: Polar to x,y representation
R=sin theta-cos theta R=3/(3-cos theta)
Follows • 1
Expert Answers •1
Precalculus

11/08/22

precalculus: rectangle to polar coordinates
(-sqrt(3)/2, -1/2) (-3,3)
Follows • 1
Expert Answers •1
Precalculus

11/08/22

Precalculus: polar to rectangle coordinated
(-6, -pi/4) (-2, 3pi/4)
Follows • 1
Expert Answers •1
Precalculus

11/08/22

I dont understand how to find the max revenue for R(p) = -11p^2 +200p p being the price per unit
I dont understand how to get the max revenue using x=-b/2a
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1

11/08/22

precalculus algebra

A rectangular field is seven times as long as it is wide. If the perimeter of the field is 1280 feet, what are the dimensions of the field?
Follows • 1
Expert Answers •1
Precalculus

11/08/22

x^4 - 27x^3 + 243x^2 - 759x=0; 9 is a root
You are given a polynomial equation and one root. Check that the given number (9, in this case) is really a root, then solve the equation.
Follows • 1
Expert Answers •2
Precalculus

11/08/22

After determining the rational roots, solve the equation: 7x^5 - 27x^4 + 17x^3 + 31x^2 - 24x - 4 = 0
The equation has at least two rational roots. After determining them, solve the equation.
Follows • 1
Expert Answers •1
Precalculus Math Trigonometry

11/08/22

find the equivalent expression to 4sin(t)cos(t)cos(2t)
the correct choice was sin(4t) i dont really understand how to start this or how to expand something like this
Follows • 1
Expert Answers •1
Precalculus Math Trigonometry

11/08/22

for all values of x with 0 ≤ x ≤ 2x such that sinx = cos2x + 1
the answer is π/4, π/2, 5π/4, 3π/2 is there a mathematical way to solve this do I simply just have to plug these in an eliminate?
Follows • 1
Expert Answers •1
Precalculus Math Trigonometry

11/08/22

compute sin(38)+sin(7)
it says the answer is √2sin(31) but I'm confused on how they got the root 2
Follows • 1
Expert Answers •1
Precalculus

11/08/22

Find a polynomial equation that satisfies the given conditions.
Degree 3; the coefficient of x^3 is 1; three roots are 2,-2, and 4
Follows • 1
Expert Answers •2
Precalculus

11/08/22

Find a polynomial equation f(x)=0 satisfying the given conditions. Degree 4; the coefficients are integers; 1/2 is a root multiplicity two; 3x^2-2x-1 is a factor of f(x)
f(x)=
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1 Algebra 2

11/08/22

for what integer value of m is 2m +14 > 42 and 5 < m/4 + 3 < 7?
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1 Algebra 2

11/08/22

r△s is defined as 2r^2 + s^2 + 4rs. What is the value of -2△-1?
1.) -172.) -13.) 14.) 17
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1 Algebra 2

11/08/22

MathQuestion Easy
The graph of f(x) = −3(x − 9)2 − 6 is a parabola that opens downward, with its vertex at (x, y)=?and and f (9) = ? is the maximum value of f.
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1 Calculus

11/08/22

Math question algebra
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).P(x) = 9x3 − 4x2 − 9x,    D(x) = 9x − 4P(x) = ?
Follows • 2
Expert Answers •1
Precalculus Math Algebra 1 Algebra 2

11/08/22

what is the value of r^3 if 1/r = √0.01
1.) 10002.) 1003.) 0.014.) 0.0001
Follows • 1
Expert Answers •3
Precalculus Math Algebra 1 Algebra 2

11/08/22

If 5^(y-4) = 25 and 3^(2x-1)= 27, what is the value of x / y ?
1.) 2/32.) 63.) 1/64.) 1/9
Follows • 1
Expert Answers •1
Precalculus Math Algebra 1 Algebra 2

11/08/22

If it takes 6 hour for 2 people to clean a house, how many hours will it take 4 people working at the same rate, to clean another house that is the same size?
1.) 2/32.) 1 1/23.) 24.) 3
Follows • 1
Expert Answers •1
Precalculus Calculus

11/07/22

help out with this word problem
The Facts: A police man has just been contacted about a possible murder in California. The lifeless body of a human, Mr.X was discovered at 7:23 am on the morning of January 22 nd in his home... more
Follows • 1
Expert Answers •1
Precalculus

11/07/22

Will somebody please help me with this Pre-Calc question.

A polynomial f (x) has the given zeros of 6, –1, and –3.Part A: Using the Factor Theorem, determine the polynomial f (x) in expanded form. Show all necessary calculations. Part B: Divide the... more
Follows • 1
Expert Answers •2
Precalculus Math

11/07/22

Find the remaining solutions to the polynomial
Given 3i is a solution to f(x)=x^4+2x^3+x^2+18x-72Given 6i+1 is a solution to f(x)=2x^4-9x^3+72x^2-161x-444
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.