Please help solve, thank you.

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x

Alayna wonders how much water it would take to fill her cup she drops her pencil in her cup and notices that it just fits diagonal the pencil is 17 cm long and the cup is 15 cm tall how much water can the cup hold

The continuous random variable x is uniformly distributed over the interval [–1,3]. find -e(x) -var(x) -e(x²) -p(x < 1.4) a total of 40 observations of x are made.