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2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Math Precalculus Pre Calculus

02/02/20

Calculus Questions

Apply mathematical induction to prove the statement. Please show the work and steps taken. 4 + 4^2 + 4^3 + . . . + 4^n = 4/3 (4n - 1)

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Pre Calculus Precalculus

01/30/20

Polynomial function

Write a polynomial function with real coefficients that satisfies the given condition: degree 3; zeros are 2 and 1-4i

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Pre Calculus Precalculus

01/30/20

The minute hand of a clock is 6 inches6 inches long. How far in inches does the tip of the minute hand move in 20 minutes?

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Pre Calculus Math Calculus Precalculus

01/29/20

Use five rectangles to approximate the area under the curve.

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Pre Calculus

01/28/20

The point (5,7) lies on the graph g(x). What point must lie on the graph of g(5x)?

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Pre Calculus Math Algebra 2 Precalculus

01/27/20

Line l passes through point (−3,30) and line p is the graph of y+1=−5(x+2) . If l is parallel to p what is the equation of l ?

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Pre Calculus

01/27/20

An aquarium tank can hold 7700 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can fill the tank in 44 minutes. The second pipe can fill the tank in 77... more

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Pre Calculus

01/26/20

Just flew r miles in m hours and arrived 2 hours late how fast should she have flown to arrive on time

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Pre Calculus Math Calculus Precalculus

01/24/20

Cartesian equation

Vector (4,5,-1) is perpendicular to the plane that contains point A(2,9,6). Find the Cartesian equation of this plane.

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Pre Calculus Math Precalculus Mathematica

01/22/20

Precalc question

A street light is 10 feet above a straight bike path. Olav is bicycling down the path at a rate of 15 MPH. At midnight, Olav is 33 feet from the point on the bike path directly below the street... more

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Pre Calculus Math Precalculus Pre Calculus

01/21/20

Math calculus Question

Solve the following applied problem using a system of equations. The sum of three numbers is 35. The second number is twice the first, and the third number is twice the second. What are the numbers?

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Pre Calculus Algebra 1 Algebra 2

01/19/20

Find the value of the constant k such that (x–1) is a factor of 2x^2+9x^2+kx–5. With this value for k solve the equation 2x^3+9x^2+kx–5=0.

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Pre Calculus Math Calculus Ap Calculus

01/17/20

The table below shows the temperature (in °F) t hours after midnight in Phoenix on March 15. The table shows values of this function recorded every two hours.

Estimate the value of T'(6). Give units in your answer. What is the meaning of T'(6)? t 0 2 4 6 8 10 12 14 T 73 73 70 68 73 80 86 89

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Pre Calculus Math Calculus Ap Calculus

01/17/20

Differentiate the equation

Find by implicit differentiation for ycos(x) = xcos(y).

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Pre Calculus Precalculus Pre Calculus

01/15/20

What would this function be?

Your function should have roots -2, -1, and 2 also must include the point (0,4).

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Pre Calculus Math Calculus Sat Math

01/13/20

Minima or Maxima

Approximate (to two decimal places) any relative minima or maxima f(x) = 3x2 - 2x - 5 f(x) = x3 - 3x2 - x + 1 f(x) = x(x-2)(x+3)

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Pre Calculus Math Algebra 1 Algebra 2

01/13/20

functions domain and range

For each function below, state domain and range, name the intervals where function is increasing or decreasing, and describe end behavior.f(x) = 1/2 x2y = x2 + 3y = -3x2

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Pre Calculus

01/12/20

Find all intercepts of the function. f(x)= -3+ sqrt(23-x^2)

Find all intercepts of the function. f(x)= -3+ sqrt(23-x^2)If there is more than one answer, enter them in a list separated by commas. Enter exact answers: decimal approximations will be marked... more

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Pre Calculus Precalculus Pre Calculus

01/09/20

Precalc question

Use the cut-point method to find the solution set of the following inequality: (x + 4)(x – 5)(4x + 1) ≥ 0. What are the cut points? -4, 5, 1/4 -4, 5, -1/4 -4, -5, -1/4 -4, -5, 1/4

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Pre Calculus Precalculus Pre Calculus

01/09/20

Precalc question

Write the equation of an ellipse with center (0, 0), vertices (3, 0) and (–3, 0) , and foci (2, 0) and (–2, 0). x^2/5 + y^2/9 = 1 x^2/9 + y^2/4 = 1 x^2/4 + y^2/9 = 1 x^2/9 + y^2/5 = 1

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