How many solutions does this system of equations have? use either the substitution method or the elimination method. −2x + 4y = 4 x − 2y = 6 exactly one solution no solution infinitely many solutions

Select the lengths in centimeters that would form a right triangle

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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.