Given f(x)=8x^2 and g(x)=-1/2x^2. select all of the following that are true.
a. they have the same axis of symmetry
b. f(x) us wider than g(x)
c. they both have a minimum
d. f(x) is narrower than g(x)

3; 9 is 8 to -4

step-by-step explanation:

70 years.

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.