Which of the following numbers are square numbers select all that apply 2,6,8,9 ​

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.

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2