Multiply the numbers and simplifty the answer 3x1 3/4

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.