Part A The height of a projectile launched from a 16-ft-tall tower is modeled by the equation y = −16t2 + 64t + 16. Which is the correct graph of the equation?
A. A parabola with vertex 2 comma 65 that opens downward and passes through the points zero comma zero and 4 comma zero. B. A parabola with vertex 2 comma 80 that opens downward and passes through the points zero comma 16 and approximately 4 point 2 5 comma zero. C. A parabola with vertex 1.25 comma 36 that opens downward and passes through the points zero comma 16 and 2 point 5 comma zero. D. A parabola with vertex 1 comma 16 that opens downward and passes through the points zero comma zero and 2 comma zero.
Part B
What is the maximum height, in feet, reached by the projectile?

The maximum height is
feet

there are no short passages to look at

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

d. $180

step-by-step explanation:

if the dimensions of the room is 9ft by 12 ft, we have the area of the floor as,

so the area of the floor is 108 square feet, converting that into square yards we get,

the cost of carpet is $15 per square yard, therefore the cost of carpet for 12 square yards is,

hence, the cost of carpet is $180.

assuming the dimensions of the room be,

15 ft by 12 ft

so, the area of the floor of that room is,

we can convert 180 square feet into square yards, we know that,

1 sq ft = 0.111 sq yard

so, 180 square feet is,

so the area of floor is 20 square yards.

now, the cost of carpet is 15 dollars per square yard, therefore the cost of carpet for 20 square yards is,

so, it will cost $300.

step-by-step explanation: