{system: i am having a bit of trouble calculating this. and i am reposting this sense i don’t think it’s fair to give only a little amount of points.. so i am making it higher! me with this}

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)