15,254 Answered Questions for the topic precalculus

Precalculus Math

10/19/22

Cofunction Identities

What are some cofunction identities for the following expressions: f(x)=sinx and g(x)=cos(x-pi/2)
Precalculus Math Algebra 1 Algebra 2

10/19/22

Recall that a polynomial function has the form...what does this tell you about the number of x-intercepts of the graph of f (x)? Explain.

Recall that a polynomial function has the form where n is a positive integer and . Consider a polynomial of even degree.If  and , what does this tell you about the number of x-intercepts of the... more
Precalculus Math Algebra 1 Algebra 2

10/19/22

State the end behaviours of the polynomial function of the following:

State the end behaviours of the polynomial function Note:Please write neatly and clearly.Grade 12 Advanced Function.
Precalculus Math Algebra 1 Algebra 2

10/19/22

Identify the end behaviour of of the following:

Identify the end behaviour of Note:Please write neatly and clearly.Grade 12 Advanced Function.
Precalculus Math Algebra 1 Algebra 2

10/19/22

State the end behaviours of the polynomial function of the following:

State the end behaviours of the polynomial function .Note:Please write neatly and clearly.Grade 12 Advanced Function.
Precalculus Math Algebra 1 Algebra 2

10/19/22

Determine whether the binomial (3x – 2) is a factor of the following polynomial...

Determine whether the binomial (3x – 2) is a factor of the polynomial . Explain.Note:Please write neatly and clearly.Grade 12 Advanced Function.
Precalculus Math Algebra 1 Algebra 2

10/19/22

Calculate the following and justify your work...

Calculate  using long division. Justify your answer by showing your work.Note:Please write clearly and neatly.Grade 12 Advanced Functions
Precalculus Math Algebra 1 Algebra 2

10/19/22

Factor the following and show your work.

Factor . Justify your answer by showing your work.Note:Please write clearly and neatly.Grade 12 Advanced Functions
Precalculus Math Algebra 1 Algebra 2

10/19/22

Find the value of q. Show your work.

 is divisible by 3x – 4. Find the value of q. Justify your answer by showing your work.Note:Please write clearly and neatly.Grade 12 Advanced Functions
Precalculus

10/18/22

Solve the system of linear equations using matrices.

A state government borrows $2,000,000 at simple annual interest. Some of the money is borrowed at 7%, some at 8.5%, and some at 9.5%. Use a system of linear equations to determine how much (in... more
Precalculus

10/18/22

Application of hyperbola in real-life situations

Two radio signaling stations A and B are 120 kilometers apart. The radio signal from the two stations has a speed of 300 000 kilometers per second. A ship at sea receives the signals such that the... more
Precalculus

10/18/22

Use the difference quotient to find the function.

Find the difference quotient of the function f(x)=x2-7x+9
Precalculus

10/18/22

Approximate the logarithm using the properties of logarithms, given logb 2 ≈ 0.3562, logb 3 ≈ 0.5646, and logb 5 ≈ 0.8271. (Round your answer to four decimal places.)

Approximate the logarithm using the properties of logarithms, given logb 2 ≈ 0.3562, logb 3 ≈ 0.5646, and logb 5 ≈ 0.8271. (Round your answer to four decimal places.)logb 75
Precalculus

10/18/22

Trigonometric Equations

Solve the following equation on the interval [0°,360°). Separate multiple answers with a comma. Remember to include a degree symbol. 6cot2xcosx−2cosx=0
Precalculus Math Calculus Mathematica

10/17/22

Let f(x) = √(4x + 2), let g(x) = √(x), and let u = 4x + 2. Thus, f(x) = g(u)

Let f(x) = √(4x + 2),let g(x) = √(x),and let u = 4x + 2.Thus, f(x) = g(u)u' = 4g'(u) = ?Note: use sqrt() for √ sign
Precalculus

10/17/22

List all possible roots

List all possible rational roots for the functionf(x)=2x4−8x3+5x2−3x+34.Give your list in increasing order. Beside each possible rational root, type "yes" if it is a root and "no" if it is not a... more
Precalculus

10/17/22

Solve the system of linear equations using matrices.

A state government borrows $2,000,000 at simple annual interest. Some of the money is borrowed at 7%, some at 8.5%, and some at 9.5%. Use a system of linear equations to determine how much (in... more
Precalculus

10/17/22

Trigonometric Equations

Use trigonometric identities and algebraic methods, as necessary, to solve the following trigonometric equation. Please identify all possible solutions by including all answers in [0,π) and... more
Precalculus

10/17/22

Product-Sum Identities

Use the sum-to-product identities to rewrite the following expression as a product.sin(3β)−sin(β)
Precalculus Math

10/17/22

Finding an nth-degree polynomial function with real coefficients .

Given information :n=32 and 4 i are zeros;f(1)=-51
Precalculus

10/17/22

A central angle 𝜃 in a circle of radius 2 m is subtended by an arc of length 3 m. Find the measure of 𝜃 in degrees.

A central angle 𝜃 in a circle of radius 2 m is subtended by an arc of length 3 m. Find the measure of 𝜃 in degrees. (Round your answer to one decimal place.)𝜃 =   °Find the measure of 𝜃 in... more

10/17/22

Find the y-intercepts of the graph of the following quadratic function. If there is more than one intercept, separate them with commas. If there are no x-intercepts type DNE.

Find the y-intercepts of the graph of the following quadratic function. If there is more than one intercept, separate them with commas. If there are no x-intercepts type DNE.f(y) = 5y^2 -... more

10/17/22

Let f(x) = (x-7)^2 Make the function one-to-one by restricting the domain to those values greater than or equal to 7. State this domain.

Let f(x) = (x-7)^2Make the function one-to-one by restricting the domain to those values greater than or equal to 7. State this domain. ___________Find the inverse of f  restricted to this... more
Precalculus Math

10/17/22

Find a polynomial f(x) of degree 3 with real coefficients and the following zeros.

-3, 2+3i

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