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# zainab

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### Why is it that PFs exists although the central atom shares more than 8 electrons? ?

Would you please write the answer with your own words

Thank you

Homework Help3 months ago### math help Answer the following questions for the function?

f(x)=x(sqrt(x^2-2x+37))-1(sqrt(x^2-2x+37))

defined on the interval [−6,5]. All answers refer to x-coordinates.

A. f(x) is concave down on the region

___________ to ___________

B. f(x) is concave up on the region

___________ to ___________

C. The inflection value for this function is ___________

D. The minimum for this function occurs at ___________

E. The maximum for this function occurs at ___________

1 AnswerMathematics4 years ago### I tried so hard to solve this problem but I can't figure it out?

An open box is to be made out of a 6-inch by 16-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box that has the largest volume.

Dimensions of the bottom of the box:

Height of the box:

1 AnswerMathematics4 years ago