60 Answered Questions for the topic Precalculus Honors

Precalculus Honors

10/08/18

#### How to find the common ratio of a geometric sequence, if given only the first term as 200 and the sum of the first four terms as 324.8?

This is a problem our NEVER went over.

Precalculus Honors

10/01/18

#### P(x,y) is an arbitrary point on the parabola y=x^2

A= Express the distance "d" from "P" to the Point A(0,1) as a function of the y-coordinate of P
B= What is the minimum distance "d"

Precalculus Honors

09/18/18

#### pre calc question

A farmer has 360 meters of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence along the river. What are the dimensions of the field that has the...
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Precalculus Honors

09/18/18

#### pre calc question

4. Shannon’s cat, Poochie, loves boxes. She wants her finance to make a box for Poochie so that Poochie can jump in the box and sit whenever she wants. To make sure Poochie has enough room, the...
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Precalculus Honors

09/18/18

#### pre calc question

2. A farmer has 150 feet of fencing he is using to create a lot for his pack of llamas. he wants to keep them secluded in this fence which boarders his barn so they can no longer spit on his...
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09/02/18

#### Is it possible for a function to be symmetrical and yet neither even or odd? Explain.

symmetrical and neither even or odd?

Precalculus Honors Parametric Equations

06/04/18

#### Parametric given the rectangular equation and one parametric equation

y=2sqrt(2x-3)+5; Domain x = (4,8); x(t) = 3t-5

Precalculus Honors

10/12/17

#### The roots of f(x) are 3, 4, and 2. What are the roots of f(x^2+1)

please show work

09/24/17

#### Supposed that f(x)= x^2+2x-8

a) What are the coordinates of the vertex?
b) Find the x-intercepts using algebra.

09/24/17

#### For the following function....

f(x)= -x+1 if -1<= (read this as less than or equal to) x<1
f(x)= 2 if x=1
f(x)= x^2. if x>1
a) find f(0)
b) find f(1)
c) find f(2)
d) determine...
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Precalculus Honors

06/16/17

#### n2tcost - cos2tsint = 0 on the interval 0≤t≥2Π

Solve algebraically, exact solutions only, sin2tcost - cos2tsint = 0 on the interval 0≤t≥2Π

Precalculus Honors

10/13/16

#### joe pearlman recieved a $2.75 pay increase. His salary after the increase was $34,037.50. What was his salary before the increase?

How do you solve this

10/07/16

#### Precalculus Functions and Graphs Word Problem

A ball is thrown from 5 inches above the ground. After 2 seconds, the ball reaches a maximum height of 9 inches, and then lands back on the ground 5 seconds after it was thrown. Write a function...
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Precalculus Honors

05/31/16

#### A circle centered at the origin meets the line -7x+24y=625 tangentially. Find coordinates for the point of tangency.

Please explain how to get the answer step by step.

05/31/16

#### what is the best option to verify sec(y)cos(y)=1

options
a. cot u =sin (u)/cos(u)
b. sec(-u)=sec(u)
c. 1+tan^2(u)=sec^2(u)
d.cos (u)=1/sec(u)

05/21/16

#### Pre Calculus

Find the exact value of the expression tan(7pi/12)
a) 2(1+√3)-2
b) 2(1-√3)-2
c) -2(1+√3)-2
d) -2(1-√3)-2

05/21/16

#### Pre Calculus

Use the given triangle to evaluate the trigonometric expression. The graph is a right triangle, the side on the y-axis =5 and the side o the x-axis =12. The hypotenuse is not given. sin(y/2)=?
a)...
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05/21/16

#### Pre Calculus

Find the value for cos(x/2) if the following conditions hold: sin(x)=-12/13 and x is in quadrant 3
a) -√17/6
b) -√7/24
c) -√7/6
d) -√17/24

Precalculus Honors

04/06/16

#### An airplane ascends at an angle of 22 degrees for a ground distance of 7850 feet. What height does it ascend

I need help with this

Precalculus Honors Alegbra 2

03/16/16

#### If 900 pounds of materials are placed in the vault, how much time would need to pass for only 357 pounds to remain?

The function A = A0e-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where A0 is the original amount of material and x is the number of years...
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03/06/16

#### Write the expansion of: (x - y)^6

I am confused in this subject and it is very difficult to learn this subject on my own

Precalculus Honors Trigonometry

02/04/16

#### Challenge Trigonometry Explanation, i don't understand what the question is asking me for.

So my teacher asked us challenge problems for this
1.Is the statement tan(x-y)=tan(x)-tan(y) true for all values of x and y?
2.Given the sum and difference identities for sine and cosine, explain...
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Precalculus Honors

01/13/16

#### What is the value of sec(x)?

If sin(x) cot(x) = 1/4, what is the value of sec(x)?

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