The cost of producing x soccer balls in thousands of dollars is represented by h of x is equal to 5 x plus 6 The revenue is represented by k times x is equal to 9 x minus 2 Which expression represents the profit, open paren k minus h close paren times x , of producing soccer balls?
Profit is revenue minus cost: (k − h)(x) = (9x − 2) − (5x + 6). Distribute the subtraction to get 9x − 2 − 5x − 6 = 4x − 8, so the expression is 4x minus 8.
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