15,254 Answered Questions for the topic precalculus

Precalculus

10/11/23

Determine the Equation

Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing​ utility, use it to graph the function and verify the real zeros and the... more
Precalculus Math Calculus

10/08/23

I'm not sure what concept this is

Which of the following functions grow the fastest?g(t)=(3t-t)i(t)= ln(t^100)a(t) = t^5/2c(t)=√(t^2-5t)e(t)=e
Precalculus Calculus Trigonometry

10/08/23

How did this sin(𝜃) /1 − cos(𝜃) end up with csc(𝜃) + cot(𝜃)

My professor is a bit bad at explaining so I am holding hope for the explanation for this. sin(𝜃) /1 − cos(𝜃)= csc(𝜃) + cot(𝜃)
Precalculus Math Algebra 1 Algebra 2

10/08/23

At what temperature does specifying Celsius or Fahrenheit not matter?

There is a specific temperature, where if you had a Celsius and a Fahrenheit thermometer, the values on both thermometers would read the same numerical value. Determine the temperature this occurs... more

10/07/23

asap needed in 30 mins (algebra help. graph)

Sketch the graph of a function f with the following properties: - f is not continuous when x=2 but limx→2​f(x) exists. - f has a jump discontinuity when x=−1. - f is continuous at all points other... more
Precalculus Math

10/06/23

How do I solve this?

For a certain company, the cost function for producing x� items is C(x)=40x+100��=40�+100 and the revenue function for selling x� items is R(x)=−0.5(x−80)2+3,200��=−0.5�−802+3,200. The maximum... more
Precalculus Calculus

10/06/23

Use implicit differentiation to find the derivative of: Write the solution of each number

10. sech2x + csch2y = 10ans. y' = tanh3x - tanh x / coth³y - coth y
Precalculus Calculus

10/06/23

Find the derivative of the following functions: Write the solution of each number

5. y= ½tanh 2x + ⅔coth 3xans. y' = sech22x - 2csch23x6. y = sinh2 (3x2 – 1)ans. y' = 6xsinh(6x2 - 2)7. f(z) = Arctan (sinh 6z)ans. f'(z) = 6 sech 6z
Precalculus Calculus

10/06/23

Use implicit differentiation to find the derivative y' of the following: Wrote the solution of each number

6.y2e2x + xy3 - 1=0ans. y' =y2 + 2ye2x/ 2e2x + 3xy
Precalculus Calculus

10/06/23

Find the derivative of the following exponential functions: Write the solution of each number

2.y = x²e-xans. y' = xe-x(2 - x)3.f(z) = e²(sin z + cos z)ans. f'(z)= 2ez cos z
Precalculus Calculus

10/06/23

Use implicit and/or logarithmic differentiation to find the derivative y' of: Write the solution of each number

9. x = ln(x+y+1)ans. y' = x + y
Precalculus Calculus

10/06/23

Find the indicated nth derivative of the following. Write the solution of each number

7. 2nd derivative of y = In|cscθ - cotθ|ans. y" = - cscθ cotθ
Precalculus Calculus

10/06/23

Find the derivative of the following function.Write the solution of each number

3.f(z) = In|cos5z|ans. f'(x)= -5 tan 5z6. y = In √tan x ans. y' = sec²x/2 tan x
Precalculus

10/05/23

Growth, I’ve been trying to solve this for hours and I just can’t get it.

Suppose a new breed of rabbit appears on Leroy Jenkins' farm. Initially there are 24 rabbits on the farm, but they population will double each month. Write a model to calculate the number of... more
Precalculus Calculus

10/05/23

Find the width , in cm, of the poster with the SMALLEST total area.

The top and bottom margins of a poster are each 5 cm, and the side margins are each 3 cm. The area of the printed material on the poster is fixed at 85 cm2
Precalculus Math Business Statistics

10/05/23

Operations Management question

The Pinewood Furniture Company produces chairs and tables from two resources: labor and wood. The company has 145 hours of labor and 100 board-ft. of wood available each day. Demand for chair is... more
Precalculus Math Calculus Sat Math

10/04/23

Calculus Helpp!!!!. Urgent ( review)

1) Suppose f(x), g(x), and h(x) are continuous functions such that g(−1)=5, h(−1)=3 and limx→−1 ((f(x))2 − 3g(x)/ 5h(x)))=14. If f(x) is an odd function with f(1) > 0, find f(−1).I got 15 but... more
Precalculus Math Algebra 1 Algebra 2

10/02/23

Use the Rational Zero Theorem to find all real zeros

8x3 − 15x2 + 22x + 3 = 0
Precalculus Math Algebra 1 Algebra 2

10/02/23

find all complex solutions (real and non-real).

9x3 − 17x2 + 88x + 10 = 0
Precalculus

10/01/23

Estimate the rate of change of f(x)=x^2-x at x=-1

Precalculus Calculus Trigonometry

10/01/23

he path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B,

The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 45 mi apart. When the satellite is on one side of the two stations,... more
Precalculus Calculus Trigonometry

10/01/23

Use the Law of Sines

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 decimal place. Below, enter your... more
Precalculus Calculus Trigonometry

10/01/23

Use the Law of Sines to solve for all possible triangle

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 decimal... more
Precalculus Calculus Trigonometry

10/01/23

The area 𝒜 of a triangle with sides of lengths a and b and with included angle 𝜃 is given by the formula 𝒜 = ______  . 

The area 𝒜 of a triangle with sides of lengths a and b and with included angle 𝜃 is given by the formula 𝒜 = ______  . So the area of the triangle with sides 4 and 5 and included angle 𝜃 = 30° is_____ more

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