2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Calculus Precalculus

03/26/21

Applied minimum problems
A microwaveable cup-of-soup package needs to be constructed in the shape of cylinder to hold 500 cubic centimeters of soup. The sides and bottom of the container will be made of styrofoam costing... more
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Pre Calculus Calculus Precalculus

03/26/21

Find the dimensions for the can that will minimize production cost.
A cylinder shaped can needs to be constructed to hold 550 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and... more
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Pre Calculus Calculus Precalculus Calc

03/26/21

Applied maximum and minimum problems
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=1−x2. What would be the width and height of the rectangle with the greatest possible area?
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Pre Calculus Precalculus Pre Calculus

03/26/21

Trigonometric Identities and Equations
Hello, I've been trying to solve this problem but cannot seem to understand it. The problem is as follows:What are all the values of theta to the nearest degree in the interval 0 degrees is less... more
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Pre Calculus Math Trigonometry

03/25/21

Let α and β be first quadrant angles with cos ( α ) = √ 2 / 8 and sin ( β ) = √ 7 / 10 . Find cos ( α − β )
How do I solve this problem? I know I have to use Sum Difference Identities and use cos(a-b) = cos(a)cos(s)-sin(a)sin(b) but how do I get those values?
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Pre Calculus

03/25/21

find the values of x for which f(x)=g(x). f(x)=x^2+2x+1, g(x)=7x-5
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Pre Calculus

03/25/21

find the values of x for which f(x)=g(x). f(x)=x^2+2x+1, g(x)=7x-5
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03/25/21

Pre Calc AB What will be the population of this endangered species in the preserve after 1 year?

T = MONTHS A wildlife organization released a group of animals that are an endangered species into a preserve. The equation below models the population, P, of the species t months after the initial... more
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03/25/21

Pre Calc AB Continuous Growth
A new app was downloaded 175 times in its first week. Since then, the number of downloads increased by 16.5% each week. a) Write a continuous exponential growth model to approximate the number of... more
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Pre Calculus Precalculus Pre Calculus

03/25/21

Find tan B and csc B if sec B = 3/2 and tan B<0
Use the Pythagorean identities to find each function value.
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Pre Calculus Precalculus Pre Calculus

03/25/21

find tan B and CSC B if sec B = 3/2 and tan B < 0
Use the Pythagorean identities to find each function value.
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Pre Calculus Precalculus Pre Calculus

03/25/21

find cos y and tan y if csc y = -√6/2 and cot y>0
Use the Pythagorean identities to find each function value.
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Pre Calculus Precalculus Pre Calculus

03/25/21

find cos y and tan y if csc y = -√6/2 and cot y > 0
 Use the Pythagorean identities to find each function value.
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Pre Calculus Precalculus Pre Calculus

03/25/21

find sinØ and tanØ if cosØ = -3/4 and sinØ > 0
Use the Pythagorean identities to find each function value.
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Pre Calculus Precalculus Pre Calculus

03/25/21

Find sinØ and tanØ if cosØ =-3/4 and sin Ø > 0
Use the Pythagorean identities to find each function value.
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Pre Calculus

03/25/21

if cot x =-1/2 and sin x = 2√5/5, find cos x
Use quotient and reciprocal identities to find the function value.
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Pre Calculus Trigonometry Functions

03/23/21

Pre Calc Homework - Solve problems involving the inverses of trigonometric functions
The line y= 3/5 x passes through the origin in the x,y plane.  What is the measure of the angle that the line makes with the positive x-axis?  Give your answer in degrees and radians.
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03/22/21

Find the minimum of the objective function, f, subject to the constraints. f=7x+4y, constraints= 5x+y≥60, x+6y≥60, 4x+6y≥204, x≥0, y≥0. thanks!!

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03/21/21

If an object moves along the​ y-axis (marked in​ feet) so that its position at time x​ (in seconds) is given by f(x)=182x−14x2, find the following.
If an object moves along the​ y-axis (marked in​ feet) so that its position at time x​ (in seconds) is given by f(x)=182x−14x2, find the following.​(A) The instantaneous velocity function... more
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03/21/21

9.5: For ​f(x)=2x4−4x2+5 find the following. ​ (A) f′(x) ​(B) The slope of the graph of f at x=2 ​(C) The equation of the tangent line at x=2 ​(D) The​ value(s) of x where the tangent line is...
For ​f(x)=2x4−4x2+5 find the following.​(A) f′(x)​(B) The slope of the graph of f at x=2 ​(C) The equation of the tangent line at x=2 ​(D) The​ value(s) of x where the tangent line is horizontal
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03/20/21

Find dy/dx. y= 4 ln x + 9 log 4x
Find dy/dx. y= 4 ln x + 9 log 4xdy/dx= ____________ ​(Type an exact​ answer.)
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03/20/21

10.2: Find the equation of the line tangent to the graph of f at the indicated value of x. f(x)=10e^x+2x​; x=0 y= ________
Find the equation of the line tangent to the graph of f at the indicated value of x.f(x)=10e^x+2x​; x=0y= ________
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Pre Calculus Algebra 2

03/19/21

write the polynomial function as a product of linear factors: p(x)=x^5-7x^3+12x
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Pre Calculus Math Precalculus

03/19/21

Precalc question

Solve for x (in terms of y): 𝑦= 2sin^−1 (𝑥 − 5)
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Pre Calculus Math Precalculus

03/19/21

Pre calc question

Write an equation for a secant function with a period of 3𝜋 and a range of (−∞, −2] ∪ [2, ∞)
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