1 Which of the following is the correct C++ statement for the algebra equation y -(bx' +a+x)/4? (b) y=b#x#x+a+x/4; (d) y-(b x 2+atx)/4, (a) y = (b * x * x + a + x) / 4; (c) y = (b x x + a + x) / 4; 2 Which of the following is not a valid assignment statement? (a) 9 total; (b) amount 72i (c) profit- total; / assume total is declared and initialized d) number7.56 3 Given the statement int number-3; which of the following C++ statements is correct to produce as output: (a) cout