Finding values of sum and difference functions h(x) = x2 + 1 k(x) = x – 2 (h + k)(2) = (h – k)(3) = evaluate 3h(2) + 2k(3) = .

Maria heard on the radio that the high temperature that day would be to determine the temperature in degrees celsius, she used the formula , where c is the temperature in degrees celsius and f is the temperature in degrees fahrenheit.