Which function has two x-intercepts, one at (0,0) and one at (4,0)?
f(x) = x(x - 4)
f(x) = x(x + 4)
Of(x) = (x - 4)(x - 4)
Of(x) = (x + 4)(x + 4)

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²

Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?