2,195 Answered Questions for the topic Pre Calculus

Pre Calculus

02/07/17

Pre Calculus help

if cos x = 5/8 and sin x < 0, find the values of the other five elementary trigonometric at x. Draw a sketch with an appropriate reference triangle. sin x = tan x =sec x = csc x =cot x =
Pre Calculus

02/05/17

How could the graph of u=2x^3+1 be used to graph y=-2x^3+1

Describe the graph 
Pre Calculus

01/20/17

Please Help!!!

Find the points P1(x1, y1), P2(x2, y2), and P3(x3, y3) on the line segment joining A(6, 8) and B(9, 3) that divide the line segment into four equal parts. (The points on the line are ordered A, P1,... more
Pre Calculus

01/10/17

What are coordinates of the vertex of the quadratic function y=-3(x-4)^2 +1

Help please
Pre Calculus

01/08/17

How many people are in the group

A group of people would like to buy a vacation cabin for $600,000, sharing the cost equally. If they could find five more people to join them, each person's share would be reduced by $6,000. How... more

01/04/17

The point (-3, 3) lies on the terminal side of an angle in standard position. Find the value of theta in degrees.

Anybody know how to solve it and what's the answer?
Pre Calculus

12/21/16

y=3 tan x/4

I neend help finding the asystoptote and solving the problem  I have pre calculus

12/11/16

Draw the graph representing High and low tide from midnight. Make a trigonometric function that describes the high and low tide behavior from midnight.

a beach has reported its high tide to be at a depth of 58ft and its low tide to be at a depth of 2 ft. High tide occurs at 6:30 am while low tide occurs 6 hours and 12 minutes after high tide. Draw... more
Pre Calculus

12/08/16

Find a polynomial​ P(x) with real coefficients having a degree​ 6, leading coefficient 4​, and zeros 3​, 0​ (multiplicity 3), and 4-4i.

i need to know how to make this equation  
Pre Calculus

12/01/16

Simplifying exact values

What is csc^2x-1 simplified? 
Pre Calculus

11/26/16

If a city of 180,000 has an expected growth rate of 4%, how big will it be in 5 years?

P=Aent   The population of a city grows according to P=Ae^nt where projected population is P, starting population is A, time in years is t, and n is an observed or expected rate of increase in... more
Pre Calculus

11/11/16

1. Using the procedure described in the lesson, use limits to determine df/dx for f(x)= x³ . Be sure to show the main steps of your derivation.

1. Using the procedure described in the lesson, use limits to determine df/dx for f(x)= x³ . Be sure to show the main steps of your derivation. 
Pre Calculus

11/11/16

Find the slope of f(x)= x³ at each of the following points. a. x = 0 b. x = 1 c. x = 2 d. x = -1

I need help with an assignment in my pre-calculus class on universal class :   Find the slope of f(x)= x³ at each of the following points. a. x = 0 b. x = 1 c. x = 2 d. x = -1
Pre Calculus

11/04/16

f(x) = x2 − 10x + 26

Determine whether the following function has a maximum, a minimum, or neither. If it has either a maximum or a minimum, find what that value is and where it occurs. Reduce all fractions to lowest... more
Pre Calculus

11/03/16

A square lawn has area 3200 ft squared . What is the radius of the? circle?

A square lawn has area 3200 ft squared A sprinkler placed at the center of the lawn sprays water in a circular pattern that just covers the lawn. What is the radius of the? circle?
Pre Calculus

10/26/16

A carousel makes 12 revolutions during a 5-minute ride. What is the angular frequency of the carousel?

 How do you find angular frequency in word problems?

10/25/16

35 T-Shirt order costs 337.50. 56 cost 516. Include shipping and handling. Cost per shirt? Shipping and handling Charge? Linear Equation?

The first order was for 35 T-shirts and it cost $337.50. The second order was for 56 T-shirts and it cost $516. The prices include a standard shipping and handling charge. What is the cost per... more

10/21/16

how much was invested in each vehicle?

Country Day's scholarship fund receives a gift of $ 188240.607247983. The money is invested in stocks, bonds, and CDs. CDs pay 2.5 % interest, bonds pay 5.5 % interest, and stocks pay 10.1 %... more
Pre Calculus

10/10/16

slope is – 2/7 and the x-intercept is ( – 7 , 0 )

Find the equation of the line in the form ax+by=c
Pre Calculus

10/04/16

Tan x = square root of -3 if 0<x<360

(tan x) = √-3 if 0°≤ x ≤ 360°
Pre Calculus

10/02/16

A number divided my 9 is equal to the number decreased my 80. Find the number

Can you please solve for me
Pre Calculus Math Algebra 2 Math Help

09/27/16

express the following function f(x) as a composition of two functions f and g: f(g(x)) F(x)=x^2/(x^2 +4) Part 1: What function is g(x) Part 2: What function is

express the following function f(x) as a composition of two functions f and g: f(g(x))F(x)=x^2/(x^2 +4) Part 1: What function is g(x)Part 2: What function is f(x)PArt 3: Verify that f(g(x))=F(x)
Pre Calculus

09/20/16

-4f(x-1)+2 has both rigid and non rigid transformations. True or false

Transformations

09/12/16

The hardwood Floor Word Problem

Jason and Omar are laying a hardwood floor. Working alone, Jason can do the job in 20 hours. If the two of them work together, they can complete the job in 12 hours. How long would it take Omar to... more

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