Select each perfect square

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.