15,254 Answered Questions for the topic precalculus

Precalculus

05/25/23

in f(x)=8+11 cos π/7 (x-2). find the first 3 positive values of x for whitch y=0
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Precalculus

05/25/23

in f(x)=8+11 cos π/7 (x-2). find the first 3 positive values of x for whitch y=0
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Precalculus

05/25/23

Write cos(37°)+cos(95°)as a product, with positive angles
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Precalculus

05/25/23

transform f(x)=8+11cos π/7 (x-2) so that x is in terms of y
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Precalculus

05/25/23

Rewrite the product as a sum. sin(5x) sin(7x)
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Precalculus

05/25/23

Find all zeros of the function. Show all of your work - synthetic division, factoring, quadratic formula, etc. f(x)=3x^3-5x^2+5x-14
The zeros I got from solving this question are: x = -1/4 - √55i/4, -1/4 + √55i/4, and 2. Is this correct?
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Precalculus Math Trigonometry

05/25/23

Tangent Problem
A typical drag road is 402 metres long. Suppose a set of bleachers 3m deep is set up 20 m away from the track. Suppose you are sitting in the front middle seat. Write an equation that represents... more
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Precalculus

05/25/23

Write an equation in standard form for the polynomial with given zeros x=-1, x=4i, and x=√6. Show your work.
You may leave equation in factored form, but it must have real number coefficients. Assume a=1
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Precalculus

05/25/23

Find the 4th term of (2x-5y)^7. Show how you came up with your answer.
How would I solve this using the Binomial Theorem?
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Precalculus

05/25/23

Find all zeros of the function. Show all of your work - synthetic division, factoring, quadratic formula, etc. f(x)=3x^3-5x^2+5x-14
The leading coefficient of 3 has an exponent of 3 so shouldn't there be 3 roots? Yet the only root I found was x=2. I am confused.
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Precalculus

05/23/23

Pre calculus /. Harmonic motion
Find a formula for this function (2.5,7.2), (?,2.4), (7.5,7.2)y=(?)cos(2pi/(?)(x-(?))+ (?)
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Precalculus Algebra 2

05/21/23

Function Operations
Given f(x)=2x2-3x+1 and g(x)=3x+4, find the following:1.) (f+g)(x)2.) (f-g)(x)3.) (g-f)(x)4.) (f•g)(x)5.) (f/g)(x)6.) (g/f)(x)
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Precalculus

05/21/23

The hyperbolass
Find an equation for the hyperbola described. Foci at (9,6) and (9,10); Vertex (9,9)
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Precalculus Math Trigonometry

05/21/23

Trigonometry Problem
A typical drag road is 402 metres long. Suppose a set of bleachers 3m deep is set up 20 m away from the track. a) Suppose you are sitting in the front middle seat. Write an equation that represents... more
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Precalculus Math Trigonometry

05/21/23

Trigonometry Problem
Let f(θ)= cosθ, and g(θ)= 3f(1/2θ).On the interval θ∈[0,2π], explain how the coordinates of the x- and y-intercepts of g are obtained from the coordinates of the x- and y-intercepts of f. Use exact... more
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Precalculus Math

05/21/23

Confusing function problem

Let ƒ(x) be defined for all x > 0 such that 11ƒ(x+1) + 5f((1/x)+1) = log xFind the value of ƒ(6) + ƒ(17) + ƒ(126)
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Precalculus Math Calculus

05/20/23

How many 3 digit positive integers a, b,c are there who’s nonzero digits a,b,c satisfy 0.abcabc…(repeating) =1/3(0.a…+0.b…+0.c…)
The three dots indicate repitition
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Precalculus Math Calculus

05/20/23

The roots of the polynomial 10x^3-39x^2+29x-6 are the height, length, and width of a rectangular box(right rectangular prism). A new rectangle box is formed by lengthening each edge by 2 units.
What is the volume of the new box?
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Precalculus

05/19/23

Description down below

A polar curve is represented by the equation r1 = 3 + 3sin θ. Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve symmetrical to... more
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Precalculus

05/19/23

Description down below
A polar curve is represented by the equation r1 = 3 + 3sin θPart A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve symmetrical to... more
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Precalculus

05/18/23

Points z1 and z2 are shown on the graph. z1 has the coordinates (4,6) and z2 has the coordinates (-5,2).
Part A: Identify the points in standard form and find the distance between them.Part B: Give the complex conjugate of z2 and explain how to find it geometrically.Part C: Find z2 − z1 geometrically... more
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Precalculus

05/18/23

Description down below
A polar curve is represented by the equation r1 = 3 + 3sin θ. (10 points)Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve... more
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Precalculus

05/18/23

Description down below:
A polar curve is represented by the equation r1 = 3 + 3sin θ.Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.Part B: Is the curve symmetrical to... more
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Precalculus

05/18/23

Given f(x) = x^2 + 4x, evaluate f(x + 2)
answers x^2 + 4x + 12x^2 + 4x + 1x^2 + 16x + 12x^2 + 8x + 12
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Precalculus Trigonometry

05/18/23

Can someone show a visual/video way to solve this problem

Draw the arrows on the following graph to represent the orientation of the following parametric... more
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