Let f (x) = 8^x Which function represents a transformation of
F(x) by a vertical stretch with factor 2?
g (x) = 1/2 • 8^x
g(x) = 81/2^x
g (x) = 8^2x
g(x) =2 • 8^x

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7