2,195 Answered Questions for the topic Pre Calculus

Pre Calculus

11/15/21

Hi, I need help with this exercise
A function f is given, and the indicated transformations are applied to its graph (in the given order). Write the equation for the final transformed graph.f(x) = |x|; reflect in the x-axis, shift 3... more
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Pre Calculus Precalculus

11/12/21

Let f(x) = 3x + 1/ x + 5, for x ≠ 1. Find f⁻¹(x).

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Pre Calculus Precalculus

11/12/21

Let f(x) = 3x + 1/ x + 5, for x ≠ 1. Find the x-intercept

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11/11/21

Two straight roads diverge at an angle of 50°. Two cars leave the intersection at 2:00 P.M., one traveling at 36 mi/h and the other at 38 mi/h. How far apart are the cars at 2:30 P.M.?

Two straight roads diverge at an angle of 50°. Two cars leave the intersection at 2:00 P.M., one traveling at 36 mi/h and the other at 38 mi/h. How far apart are the cars at 2:30 P.M.? (Round your... more
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Pre Calculus Precalculus

11/10/21

The equation of a line L₁ is: 3x = 12 - y. For the line L₁, find the x intercept
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Pre Calculus

11/09/21

Let f (x) be a polynomial function with a zero of multiplicity of 1 at 2 and a zero of multiplicity of 2 at 1. Let g(x) be the radical function g of x equals the cube root of x minus 2
Using the Factor Theorem, determine the polynomial function f (x) in expanded form. Show all necessary calculations.
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Pre Calculus

11/09/21

A hyperbola is the collection of all points that meet this condition: The sum of the distances from any point, P, on either curve, to the two foci, F1 and F2, is constant.
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Pre Calculus Math Algebra 2 Precalculus

11/07/21

Can (-1)pi be a coefficient in a polynomial fucntion? For example, is f(x)=5x^4-pix^2+(1/2) a polynomial function?
5x4-πx2+(1/2)
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Pre Calculus Math Calculus Chemistry

11/04/21

Please helppppp
The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more
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11/03/21

Does anyone know the answer????
The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more
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Pre Calculus

11/02/21

how do you graph an inverse function when you already have it in the inverse
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Pre Calculus

11/01/21

If \cos y = \frac{1}{10}cosy= 10 1 ​ , then what is the positive value of \tan\tfrac{1}{2}ytan 2 1 ​ y, in simplest radical form with a rational denominator
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Pre Calculus Precalculus Trigonometry

10/31/21

TRIGONOMETRY please help thank you <3
If sin θ =1/7 and t is in quadrant II, find the following;a. sin (θ/2) b. cos = (θ/2)with an explanation if possible... <3
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Pre Calculus Precalculus

10/30/21

Conic Section: Find the Equation of the Circle
What is the General Equation of the Circle if its center is on x+2y=3 and it is tangent to -x+y=-4 at (3,-1)?
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Pre Calculus Math Functions

10/29/21

Determining the Equations of Rational Functions
determine the equation of a rational function, in factored form, with the following characteristics: as x →∞ , y → -0.5 domain: x ∈ (-∞, -2) or (-2, 3) or (3, ∞) zeros; -3 (order 1) and 2 (order 2)
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Pre Calculus Precalculus Pre Calculus

10/27/21

Solve Logarithmic Equation for y
Pareto's law for capitalist countries states that the relationship between annual income x and the number y of individuals whose income exceeds x islog y = log b − k log x,where b and k are... more
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Pre Calculus Math

10/27/21

the graph and give coordinates of the foci, vertices, and covertices of the ellipse with the equation
1. (x^2)/(167)+(y^2)/(25)=12. (x^2)/(36)+(y^2)/(100)=13. ((x-7)^2)/(64)+((y+2)^2)/(36)=1
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Pre Calculus Precalculus Pre Calculus

10/27/21

If we start with q0 milligrams of a certain element, the amount q remaining after t years is given by the formula q = q0(2)−t/1300. Express t in terms of q and q0.
Please express in terms of t
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10/26/21

Write an equation that gives the distance travelled by the falling object in the nth second (i.e., an). How many feet would an object fall in the tenth second?

To prove that objects fall at the same rate, Galileo dropped two objects with different weights from the Leaning Tower of Pisa in Italy. The objects hit the ground at the same time. When an object... more
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10/26/21

Find the sum of the first 23 terms of the arithmetic sequence 4m-3,-10,….
Find the sum of the first 23 terms of the arithmetic sequence 4m-3,-10,...
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10/26/21

An arithmetic sequence or progression is given by k,2k/3,k/3,0,…
An arithmetic sequence or progression is given by k,2k/3,k/3,0,...a)   Find the sixth term. b)   Find the nth term.c)   If the 20th term is equal to 15, find k.
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Pre Calculus

10/26/21

Bacteria Rate question
During a research​ experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At 9​:00 AM there were 3,000 bacteria present in the culture. At​ noon,... more
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Pre Calculus

10/26/21

Investment Bank Question
Marsha and Jan both invested money on March​ 1, 2007. Marsha invested ​$8,000 at Bank A where the interest was compounded quarterly. Jan invested $5,000 at Bank B where the interest was compounded... more
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10/26/21

Find the 17th term of the arithmetic progression with first term 5 and common difference 2.

 Find the 17th term of the arithmetic progression with first term 5 and common difference 2.
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Pre Calculus Calculus Precalculus

10/25/21

Polynomial Real Zeroes
The polynomial of degree 4, P(x) has a root of multiplicity 2 at x=4 and roots of multiplicity 1 at x=0 and x=−3. It goes through the point (5,32).Find a formula for P(x).
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