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(a) y = -3x + 1
Usually expressed as,Y = 3X2============same thing as X * X, XX without multiplicative symbol, so yes it is exponential
x = -1y = 33x2 - y2 = 3 (-1)2 - (3)2 = 3 (1) - 9 = -6
The answer depends on whether it is 3x2 + 3y2 or 3x2 - 3y2. Unfortunately, limitations of the browser used by WA means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "equals" etc.
(2x3)+(3x5)-(3x2)= 2x3=6 3x5=15 3x2=6 So..... 6x25-6= 6x25=150 150+6=156