Keith spent half of his allowance going to the movies. He washed the family car and earned 7 dollars. What is his weekly allowance if he ended with
14 dollars ?

2÷6+1/2 to the second power plus one

Question 5 spring semester final exam math evaluate

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.