UpTheChels

17 Questions
2 Answers

0

1230

4

+79

Determine a function that could be represented by the following graphs.

Title says it all.. What would the corresponding functions read more ..

UpTheChels Dec 10, 2017

+1

3863

1

+79

Find all solutions for tan (x) = -√3 in radians

Title says it all.. Thanks in advance

UpTheChels Nov 23, 2017

+1

1778

3

+79

Solve for all values of x in given intervals (in radians)

Not sure how to do these.. Would be grateful if steps are shown and x values are in radians..

UpTheChels Nov 23, 2017

0

1

2470

2

+79

Show on unit circle that cos (θ + 3pi/2) = sin θ

I know how to prove this equivalent expression through an identity but how do i show this on a unit circle visually?

hectictar ●●

UpTheChels Nov 22, 2017

+1

1040

1

+79

Equivalent Trig Expression Question

Steps on how to do this would be massively appreciated...

UpTheChels Nov 22, 2017

0

1008

1

+79

Compound Angle Formula Question

A step by step breakdown and explanation would be much appreciated please!

UpTheChels Nov 14, 2017

0

896

2

+79

Logarithmic equation help

Solve for x and steps would be appreciated!

UpTheChels Nov 3, 2017

0

976

1

+79

Help with Log Question!

Solve for x. Steps on how to do this would be appreciated!

UpTheChels Nov 3, 2017

0

1196

2

+79

Logarithm Word Problem

In January, the Richter scale measured an earthquake of magnitude 3.2. A month later, in February, you hear on the news that there has been another earthquake, which is 27 times more intense than the one in January. What is the magnitude of the second read more ..

UpTheChels Oct 28, 2017

0

969

2

+79

Question about rational function/inequality.

Not sure how to tackle this question, any help would be appreciated.

UpTheChels Oct 11, 2017

0

923

1

+79

Do these functions have any restrictions?

help will be massively appreciated, please and thank you :)

UpTheChels Sep 29, 2017

0

827

0

+79

how to represent three functions as a single function?

I have these three restricted functions, which i want to model/represent as a single function.
what would the equation of the function be? and what would its graph look like?
read more ..

UpTheChels Sep 25, 2017

0

975

0

+79

Question about domain and range in piecewise functions?

I have been told to create a rollercoaster using piecewise functions (functions with restricted domain and range). i have completed building this rollercoaster using desmos. you can see it at https://www.desmos.com/calculator/6iojgywekq
1) for the read more ..

UpTheChels Sep 24, 2017

0

951

1

+79

Need some serious help with Kinematics

Would appreciate if someone could shed some light on how to do these questions step by step, Thank you very much..
1)A child and his father are 89m apart. They start walking towards each other. A mosquito that flies at 5.1m/s moves back and forth between read more ..

UpTheChels Sep 21, 2017

+2

1622

2

+79

Do these inverse functions pass the vertical line test?

Basically, i have two functions that i needed to find inverses of. They are -
1. f(x)=2x2 +2x-1
2. f(x)=-4.9(x+3)2+45.8
Thanks to hecticar and CPhill, the inverses were found. They can be seen in the attachment below. Now read more ..

UpTheChels Sep 16, 2017

0

1956

2

+79

Properties of this reciprocal function? f(x) = (x+1)/(x-1)

the function is f(x)= (x+1)/(x-1). i need to find the following properties-
domain, range, any restrictions, intervals of increasing and decreasing, the x and y-intercepts, and vertices.
so far i have, domain - read more ..

UpTheChels Sep 15, 2017

+1

1

1485

3

+79

can you help finish this quadratic equation?

The question is to find the inverse of the following function - p(r) = 2r^2+2r-1
I realise that this cannot be factored by decomposition. So I'm using the quadratic formula. I've done most of the question but stuck near the end. I have read more ..

UpTheChels Sep 15, 2017

+79

+2

Thanks hectictar, I appreciate the help, you're a lifesaver! :)

UpTheChelsNov 23, 2017

+79

0

God d**n, I hate reciprocals. Thanks so much CPhill, your help is appreciated.

UpTheChelsSep 15, 2017