Suppose x and y vary inversely, and y = 10 when x = 4. Write a function that models the variation (1pt.). Then find y when x = 90 (1pt.). Thank you

Suppose x and y vary inversely, and y = 10 when x = 4. Write a function that models the variation (1pt.). Then find y when x = 90 (1pt.). Thank you

Been trying to solve these 2 but have been struggling with it. Here they are: 1.) (3x)/(2(x+9)) + (x-4)/(x+3) -------------Simplify the expression. 2.)(x-7)/(x^2-8x+15)...

Steve and Sally went canoeing on Red river on a day when the current flowed at 3mi/h. They left at 8:30 A.M and paddled upstream until they reached Elk Island, where they stopped to have lunch. After...

Steve and Sally went canoeing on Red river on a day when the current flowed at 3mi/h. They left at 8:30 A.M and paddled upstream until they reached Elk Island, where they stopped to have lunch. After...

I know that you can solve for the x intercept by solving the numerator, but when I did that and got 2, it said the correct answer was that there was no x intercept. Can someone explain this...

For what values of b does the function 1(x)= 1/2x^2-bx+7-2b have no vertical asymptotes

Find a rational function with the following properties (there is more than one possible answer): • vertical asymptote: x = 1 • horizontal asymptote: y = −2 • hole: x=−1 • x-intercept: (3,0)

I just need to know what the range of this equation is.

f(x) = (3x) / (x2 + 1). Show that f-1(x) = (6 - 3x2) / (x2 + 2)2

f(x) = (2x-2)/ x2+x-2 g(x) = a/ b+x

When a liquid is placed into a refrigerator, its temperature T°C at a time t minutes is given by the formula T=T*10^-kt The temperature is initially 100°C and drops to 40°C in 5 minutes. Find...

Need this to graph please have no idea , need all intercepts, asymptotes and domain

Document 127k

This document provides 3 examples with plots using Wyzant's online tutoring platform. Vertical and horizontal asymptotes are found if...

We're solving rational equations and we get extra credit if we have this problem answered by tomorrow! x+5/x^2-6x-27+x-17/x^2-18x+77=x+1/x^2-14x+33 Please...

F(x)=3x(x-2)/6x^2-41x-7

R(x)=11x(x+10)

An airplane makes a 990-mi flight with a tail wind and returns, flying into the wind. The total flying time is 3h 20min, and the plane's airspeed is 600mph. What is the wind speed?

Vertical Asymptote at x=-2 Horizontal Asymptote at y=1 X-Intercepts: (-3,0) and (1,0) Y-Intercept: (0, -¾)

I have managed to do: A) Find the formula for c(x), the total cost for the production of x units of the good. c(x) = 3x + 30,000. B) Find a formula for the company's average cost per unit,...

Find a function that represents a graph that has a vertical asymptote at x=5 and a hole at x=-3 The answer is: k(x)= (x2+2x-3)/(x2-2x-15) I dont understand...

Tyler M.

UCLA Graduate in Mathematics; Over 15 Years of Tutoring Experience!!!

Simi Valley, CA

5.0
(168 ratings)

Angela A.

Certified Tutor in Most Subjects:SAT/ACT/GRE/SSAT/ISEE Test Prep, Math

Melrose, MA

5.0
(735 ratings)