Tyrone launches a toy rocket into the air with an initial upward velocity of 49 ft/s and an initial height of 0 ft.
a. How long will it take the rocket to reach its maximum height? Round to the nearest hundredth.
b. How high above the ground will it be? Round to the nearest tenth.
c. What is the range of the function?
d. Why is there a maximum point on the graph of this function?

Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?