Questions by Ileana

Questions by Ileana

Prove that if a and b are two matrices such that a+b and a*b are both defined, then a and b are square matrices

asked Sep 24, 2018

1 answer

1 vote

11.0k views

For the polynomial function ƒ(x) = x4 − 12x3 + 46x2 − 60x + 25, find all local and global extrema. a.)The only extrema point is (0, 25). b.)No local extrema exist. c.)The local and global extrema are:

asked Feb 8, 2018

1 answer

5 votes

2.3k views

Simplify 3x + (-12x) - 5x.

asked Feb 8, 2018

2 answers

4 votes

200k views

Number 4 please and thank you!

asked Jan 21, 2018

1 answer

4 votes

115k views

Why is the function of the hormone insulin in regulating blood sugar level a good example of a negative feedback mechanism for maintaining homeostasis?

asked Jun 7, 2017

1 answer

2 votes

29.0k views

Write a sentence containing a correctly punctuated appositive phrase. Help please

asked Jun 2, 2017

1 answer

0 votes

46.1k views

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