60 Answered Questions for the topic Precalculus Honors
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.
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"
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... more
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... more
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... more
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
Parametric given the rectangular equation and one parametric equation
y=2sqrt(2x-3)+5; Domain x = (4,8); x(t) = 3t-5
cot/2= squareroot 3/3
cot √3 — = — 2 3
The roots of f(x) are 3, 4, and 2. What are the roots of f(x^2+1)
please show work
Supposed that f(x)= x^2+2x-8
a) What are the coordinates of the vertex? b) Find the x-intercepts using algebra.
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... more
n2tcost - cos2tsint = 0 on the interval 0≤t≥2Π
Solve algebraically, exact solutions only, sin2tcost - cos2tsint = 0 on the interval 0≤t≥2Π
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
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... more
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.
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)
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
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)... more
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
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
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... more
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
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... more
What is the value of sec(x)?
If sin(x) cot(x) = 1/4, what is the value of sec(x)?
Find sin theta
If secΘ = 5/3 and 0° < Θ < 90°, find sinΘ