Gabriella is x years old. her sister, felicia, is six years older than she is. their mother is twice as old as felicia. their aunt, tanya, is x years older that their mother. white and simplify an expression that represents tanya's age in years

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.