Which expression is equivalent to y. 48 ? Hint Think about like terms. A. ( y . 40) + 8
B. ( y . 4) . 8
C. ( y . 40) + ( y . 8 )
D. ( y . 4) + 8

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.