Question

find the domain of the function

Answer 1

f(x)=\[\frac{ \sqrt{100+x} }{ x ^{2}+7x+10 }\]

Answer 2

the domain is all the possible values of x that give f(x) are real value

Answer 3

Hint: look at the numerator. there are no real square roots of a negative number

Answer 4

what value of x will make the expression under the radical sign negative?