Answer:
Step-by-step explanatio
you can use a calculator!
9^3 is the same as 9 * 9 * 9
9^3 = 729
Best of Luck!
You should multiple 9 and 7 to get the answer. the answer is 63
[ - 4 , 4 ) ∪ ( 4 , ∞ )
The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.
solve x - 4 = 0 ⇒ x = 4 ( is a vertical asymptote )
There is a zero when the numerator equals zero.
x + 4 = 0 ⇒ x = - 4 ( is a zero )
domain is [-4 , 4 ) ∪ ( 4 , ∞ )