Member: bioplant

77 Questions
61 Answers

564

+448

Prove limit

Given a function F let us say that the limit of F at a is L if there is some 𝛿>0 such that for every ϵ>0 if 0<|x−a|
1. Prove that even for the function g defined g(x)=x there read more ..

bioplant Sep 27, 2020

580

+448

Proving a limit is false

Planck's constant has a numerical value of 6.62607004×10^−34 and is denoted by ℏ. Let 𝑓 be the function defined by
𝑓(𝑥)={0 if 𝑥<0
𝑓(𝑥)={ℏ if 𝑥≥0
read more ..

bioplant Sep 23, 2020

948

+448

Delta-Epsilon find delta

Find the largest number δ such that if |x − 3| < δ, then |4x − 12| < ε, where ε = 1
Repeat and determine δ with ε = 0.1.

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bioplant Sep 21, 2020

695

+448

Need help with this vectors question please!!

Explain geometrically why (x,y,z)=(1,2,3)+s(1,1,1)+t(-2,-2,-2) is not the equation of a plane but rather the equation of a line. Show algebraically that this is the equation of a line (in the form (x,y,z)=(a1,a2,a3)+n(m1,m2,m3)

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bioplant Jun 16, 2020

578

+448

If csc x = -(17/15) and x is in the third quadrent

If csc x = -(17/15) and x is in the third quadrent, determine all possible values of the expression tan x + 3 sec x. State all possible values of x in radians.

bioplant Jun 9, 2020

676

+448

If csc x = -(17/15) and x is in the third quadrent, determine all possible values of the expression

If csc x = -(17/15) and x is in the third quadrent, determine all possible values of the expression tan x + 3 sec x. State all possible values of x in radians.

bioplant Jun 7, 2020

663

+448

trig word problem!!

The depth of the tide on the edge of a lake can be modelled by the function , where d is the depth of water in meters and t is the time in hours, if 0≤ t ≤ 24. consider a day when t=0 represents midnight. Determine the times which the depth of read more ..

bioplant May 28, 2020

541

+448

trig question

angles x and y are obtuse angles in quadrent 2. if csc x=3 and tan y= -(1/3) , determine the exact value of cos(x+y)

bioplant May 28, 2020

734

+448

Vectors

An airplane heads due south with an airspeed of 480 km/h. Measurments from the ground indicate the planes ground speed is 528 km/h at south 15 degree east. Calculate the wind speed and direction

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bioplant May 8, 2020

659

+448

Calculas exponential growth rate question

bob has a mosquito problem in his backyard. he makes an initial count of 487 mosquitos on the first day, and 982 mosquitos on the second day. Assuming there is the same growth rate each subsequent day...
a) how many mosquitos will there be after read more ..

bioplant May 4, 2020

670

+448

Need help with one part of a question

A landlord has 100 units being rented at $750 per unit. He finds that when he increases the price by $25, he loses 4 tenants.

1)I found that the optimal rent is : $687.50
2) I found out the revenue is $ 111,718.75 read more ..

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bioplant May 4, 2020

788

+448

Calc question

bob has a mosquito problem in his backyard. He makes an initial count of 487 mosquitoes on the first day, and 982 mosquitoes on the second day.Assuming there is the same growth rate each subsequent day...
1)How many mosquitoes will there be after read more ..

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bioplant Apr 29, 2020

650

+448

If the second derivitive is f ' (x)=x^2-4x-3 what would the fist derivitive be?

If the second derivative is f ' (x)=x^2-4x-3 what would the fist derivative be?

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bioplant Apr 13, 2020

680

+448

Can someone help me with this calculus question please?

I need help w this qustion

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bioplant Apr 13, 2020

806

+448

the function y=e^x is its own derivitive. Show that for very value of c, y=c(e^x) has the same property

the function y=e^x is its own derivative. Show that for every value of c, y=c(e^x) has the same property

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bioplant Apr 10, 2020

765

+448

Need help with this revenue word problem pls

A hotel owner finds that an average of 150 rooms are booked when th price is $180 per night and 160 rooms are booked when the price is $160 per night.

1) Determine the price to maximize revenue
2)Determine that maximum revenue read more ..

bioplant Apr 10, 2020

622

+448

Can someone please explain what this question is asking me to find

A rockets height above ground is modeled by
1) When is the rocket travelling 9.8 m/s down?
2)When is the rocket travelling 9.8 m/s down?
3) What is the average speed of the rocket over the first second? read more ..

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bioplant Apr 9, 2020

+448

you have the x and y coordinates (5,-6) and slope -5 you just need to find b by plugging it into

y=mx+b

-6=-5(5)+b

-6=-25+b

b=19

so the equation of the line is:

y=-5x+19

bioplantApr 8, 2020

+448

Thats by clicking the thumbs up button right?

bioplantApr 4, 2020

+448

Thank you!

bioplantApr 4, 2020

+448

Hey i got question c ( I got 1 and 3 second) but I was wondering if you could please help me more on question d I'm still confused

bioplantApr 4, 2020

+448

THANK YOU MATH GOD. YOU SAVED MY LIFE. I WILL WORSHIP YOU EVERYDAY.

bioplantJun 3, 2017

+448

4+4=8

bioplantJan 30, 2017

+448

9.5

bioplantJan 30, 2017

+448

fog/clouds

bioplantJan 29, 2017

+448

9/6.3 = 1.4285714285714286

bioplantJan 29, 2017

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