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07-07-2017, 02:03 AM

Jomo replied to a thread How to solve: If f(x) is even fcn, find range of b. f(x)=[3.5+bsinx] where [] is gif in Geometry and Trig

Hmmm, how about |b|< 1/2 ???????

14 replies | 1048 view(s)

07-05-2017, 06:28 PM

Jomo replied to a thread How to solve: If f(x) is even fcn, find range of b. f(x)=[3.5+bsinx] where [] is gif in Geometry and Trig

Yes, that is the definition of f(x). That can't be questioned as it was given! YOU said that a function f(x) is defined to be an even function if...

14 replies | 1048 view(s)

07-05-2017, 06:12 PM

Jomo replied to a thread Correct format for Imaginary Numbers a+bi or a+bj in Intermediate/Advanced Algebra

Fine, but j IS a variable and the instructor defined that to sqrt(-1)

12 replies | 1003 view(s)

07-04-2017, 09:56 PM

Jomo replied to a thread Drawing 4 balls from an urn without replacement and a bonus ball in Probability / Statistics

Hi. What have you tried? Can you please show us what you tried? We can't HELP you, if we do not know where you are stuck. Hint: You are drawing 5...

1 replies | 207 view(s)

07-04-2017, 09:50 PM

Jomo replied to a thread Correct format for Imaginary Numbers a+bi or a+bj in Intermediate/Advanced Algebra

If your instructor defined j= sqrt(-1) then yes, a+bj is fine. Never ever argue with how a variable is defined (unless the definition is unclear)

12 replies | 1003 view(s)

07-04-2017, 09:46 PM

Jomo replied to a thread Graphing absolute values: |x + y| = 2 in Beginning Algebra

x+y is JUST a name for a number or numbers. So let's ignore it for a moment. What number or numbers, if any can you put between the absolute value...

2 replies | 344 view(s)

07-04-2017, 09:40 PM

Jomo replied to a thread find int[0,4] f(x) dx, for "f(x)= n" if n ≤ x < n + 1 in Calculus

ks, Am I missing something or is this function defined for all reals? Please respond. Thanks!

9 replies | 763 view(s)

07-04-2017, 09:35 PM

Jomo replied to a thread Multiplying with variable and different bases/different exponents in Intermediate/Advanced Algebra

In computing A*B, you can replace A (or B) with ANYTHING that equals A and then multiply this new way of writing A by B. Now use the great advice by...

5 replies | 450 view(s)

07-04-2017, 09:25 PM

Jomo replied to a thread I was climbing a vertical cliff face. I started 12 metres above the ground, and... in Arithmetic

;)

8 replies | 807 view(s)

07-01-2017, 04:40 PM

Jomo replied to a thread How to solve: If f(x) is even fcn, find range of b. f(x)=[3.5+bsinx] where [] is gif in Geometry and Trig

Before you or anyone can even start a problem like this you must know what and an even function means. Do you know these definitions? Do you know...

14 replies | 1048 view(s)

07-01-2017, 04:35 PM

Jomo replied to a thread Fraction of a cost: A flatscreen TV is for sale at 799... in Arithmetic

Since 75%=3/4 is less than 100%, when you take 75% of a number, that is when you take PART of a number you get a smaller number. So how can 79.90 x...

6 replies | 975 view(s)

07-01-2017, 04:28 PM

Jomo replied to a thread Adjust Original # so when a % is taken from it, it = original # in Pre-Algebra

Whatever you tell your boss you're owed you will only get 97.5% of it. Let M be what you are owed. Letting X be what you tell your boss, you want...

3 replies | 650 view(s)

07-01-2017, 04:06 PM

Jomo replied to a thread How I can find x value in -100 + 130/(1+x) = 0 with steps in Beginning Algebra

You should know what to add to -100 to get 0. So that is why 130/(1+x) = 100 Now for example, 12/4=3 AND 12/3=4. 10/2=5 AND 10/5=2. In general if...

4 replies | 550 view(s)

07-01-2017, 03:58 PM

Jomo replied to a thread Numerals and place value: 3,484 is one hundreds greater than __________. in Arithmetic

There is just one reason why one number is one hundred more than another number and that reason is that the other number is one hundred less than the...

5 replies | 744 view(s)

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