1:40 000 is equivalent to what?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

What are the sotions to the quadratic equation 9x^2=4