1)Funtion f(x)=2/x+5 what should the correct statement be: a)As x--->infintiy, f
ID: 2844054 • Letter: 1
Question
1)Funtion f(x)=2/x+5 what should the correct statement be:
a)As x--->infintiy, f(x)---> +infinity
b)As x--->+infinity, f(x)-->0
c)As x-->5^+, f(x)-->+infinity
d)As x-->5^-, f(x)-->+infinity
2)WHAT IS THE REMAINDER WHEN x+3 is divided into x^4-5x^2+12x+16?
3)what is the funtion that has a domain {xER l x not equal 3} on {xER l -2<x<3}
4) WHAT is the SOLUTION of -10_< 3x +5 _<8?
5)An open-topped box can be made from sheet of cardboard measuring 50 cam by cutting congruent squares from the four corners and folding up the sides. Write a polynomial function to represent the volume of such a box, and then determine the dimensions that result in a volume greater tha 4000 cm^3. SHOW ALL YOUR STEPS
Explanation / Answer
1) doubt: Is (x+5) in the denominator or just x??
2) To find the remainder, just put x = -3 in the dividend.
hence remainder = -3^4 - 5 * -3^2 + 12* -3 + 16
= 81 - 45 - 36 +16
= 16
3) NOT sure what the question means!
4) -10 _< 3x + 5 _< 8
-10 - 5 _< 3x _< 8 - 5
-15 _< 3x _< 3
-5 _< x _< 1
5) There is some data missing i believe!
WHAT IS THE AREA OF CARDBOARD PROVIDED??
WHAT IS 50 cam?
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