Which graph represents an exponential function? On a coordinate plane, a parabola is shown. On a coordinate plane, 2 curves mirror each other. On a coordinate plane, a line curves upwards gradually. On a coordinate plane, a line increases rapidly and then levels off.

Uneed to add them up 27+18+23=68

Answer is either b or c

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,