rafiashafiquehere

If it is true prove it. If it is false provide acounterexample

(a) Suppose A belong to M(m*n)(F) with m<=n. If Ax=0 hasexactly one solution, then Ax=b has exactly one solution for any bbelongs to F^m

(b) Suppose A belong to M(m*n)(F) with m>=n. IfAx=0 has exactly one solution, then Ax=b has exactly one solutionfor any b belongs to F^m

1. Is the function f : R ? R with f(x) =x^3 + 9 one-to-one? If so, prove it. If not, provide acounterexample.

1. Solve the equation 3x + 7 = 22.

1-30

1-20

Mt0. N+20

M+30

An IQ test is normally distributed with mean 100 and standard deviation 15. Just by knowing the mean and standard deviation, we can answer the following questions:

1. Between what two values do approximately 68% of IQ scores lie?

2. Between what two values do approximately 95% of IQ scores lie?

3. Between what two values do approximately 99.7% of la scoreslie?

4, What percentof IQ scores are less than

Light bulb

writing research an invention and who invented

What is the invention describe the invention for ?

When was it invented ?

How was the inventor’s life?

Who was his/her job ?

What education does she / he have ?

Where did he / she live ? In which city ?/ country ?

When did he/she live ?

How do you use this invention? For what reason?

How does this invention improve your life ?

How did this invention change your life?

What would you do without this invention?

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