2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Precalculus Trigonometry

01/16/21

Use the properties of inverse functions to find the exact value of the expression, if possible. (Enter your answer in radians. If an answer is undefined, enter UNDEFINED.)
cos-1(cos(3𝜋/2))= ______
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Pre Calculus Precalculus Trigonometry

01/16/21

Solve the right triangle shown in the figure. (Round your answers to two decimal places.)
A = ____°B = ____°C = ____°a = 22b = 37c = ___
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Pre Calculus Precalculus Trigonometry

01/16/21

A park is showing a movie on the lawn. The base of the screen is 6 feet off the ground and the screen is 22 feet high (see figure).
(a) Find the angles of elevation to the top of the screen from distances of 15 feet and 100 feet. (Round your answers to two decimal places.)15 feet = _____°100 feet = _____°(b) You are lying on... more
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Pre Calculus Algebra 2

01/16/21

Write the indicated series in sigma notation and compute the sums
Write the indicated series in sigma notation and compute the sums. 2+5+8+11+14
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Pre Calculus Algebra 2

01/16/21

find the first five terms of the arithmetic sequence.
If t6= 16 and t11= 81, find the first five terms of the arithmetic sequence.
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Pre Calculus Math

01/14/21

math pre calculus 12
write the new equation of the parabola Y = X^2which opens downwardswhich is congruent to 9X^2which is translated 5 units right
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Pre Calculus Math

01/14/21

math pre calculus 12
Write in exponential form and simply if possible. 5 root(X^4 / 32Y^6)
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Pre Calculus Math

01/14/21

Math pre calculus 12
Write in exponential form and simply if possible. fifth root(X^4 divided by 32Y^6)
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Pre Calculus

01/14/21

The line through (-8,3) parallel to the line 3x+2y=17
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Pre Calculus Parametric Equations

01/14/21

Given the parametric equations below, eliminate the parameter t to obtain an equation for y as a function of x
Given the parametric equations below, eliminate the parameter t to obtain an equation for y as a function of xx(t)=5 sqrt7y(t)=6t+7
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Pre Calculus Math Calculus Precalculus

01/13/21

Is it possible to have a rational function with the following characteristics?
horizontal asymptote at y=1/3vertical asymptote at x=-4/3x intercept= (-1,0)y intercept= (0,3/4)hole at (1/2,3/11)
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Pre Calculus

01/12/21

What is the length of the shortest edge of the box if it has a volume of 30 cubic units?
The volume of a box can be found with the function V, where x is the length of the shortest edge of the box: V(x) = x3 + 5x2 – 14x What is the length of the shortest edge of the box if it has a... more
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01/11/21

Write the standard form equation of the hyperbola given the following vertices and perimeter of central rectangle
Vertices (0,-1), (-20, -1)Perimeter of Central Rectangle = 72
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Pre Calculus Calculus Precalculus

01/11/21

Write the general conic form equation using the vertices and perimeter of central rectangle below
Vertices (0,-1), (-20, -1)Perimeter of Central Rectangle = 72
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Pre Calculus Precalculus Trigonometry

01/10/21

Use the graph of the function to answer each question. (−2𝜋 ≤ x ≤ 2𝜋) f(x) = cot(x)
(a) Find all x-intercepts of the graph of y = f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)X =(c) Find the intervals on which the graph... more
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Pre Calculus Precalculus Pre Calculus

01/09/21

Sketch the graph of the function. (Include two full periods.) Use a graphing utility to verify your result.
y = 1/9  cot(x + 𝜋)A. B. C. D.
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01/09/21

Use a graph of the function to approximate the solutions of the equation on the interval [−2𝜋, 2𝜋]. (Enter your answers as a comma-separated list. Round your answers to three decimal places.)
sec (x) = -2x =
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01/09/21

Sketch two periods of y = (1/4)tan((pi x)/4). (Select the correct graph.)
A. B.    C.D.
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Pre Calculus

01/08/21

Find the angle of elevation, to the nearest degree, of the sun if a 35 foot building casts a 10 foot shadow.
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Pre Calculus Math

01/08/21

How to find the equation of a parabola in standard form as well as the ordered pair for the focus point and the equation of the directrix
The vertex of the parabola is (-7.99,5) and a point on it is (-9,4) and it opens downward...and that's all I know
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Pre Calculus

01/06/21

Need help factoring a polynomial into linear factors.
1 is a zero.h(x) =×^3 +3x^2 +9x -13 express h(x) as a product of linear factors
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Pre Calculus

01/06/21

Pre calc help please!! show work
 A lake is stocked with 1,550 young carp.  If the number of the original fish alive after t years is given by the function , when will there be 440 of the original fish left?  Round to the... more
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Pre Calculus

01/05/21

Pre calc help please!! show work
 A lake is stocked with 1,550 young carp.  If the number of the original fish alive after t years is given by the function , when will there be 440 of the original fish left?  Round to the... more
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Pre Calculus

01/05/21

Pre calc help please!! show work
 After 4 years, what is the total amount of a compound interest investment of $30,000 at 2% interest, compounded monthly?Round to the nearest cent.
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Pre Calculus

01/05/21

Pre calc help please!!! Show work
The lemur population on an island is declining at a rate of 2.3% per year. The population was 3700 in the year 2008.What is the best prediction of the population in the year 2017? Round to the... more
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