Answer the question or provide the appropriate response.A toy rocket is launched upward from ground level with an initial velocity of 69 feet per second. Describe how you could determine graphically whether the rocket will reach a height of 33 feet, and, if so, at what time(s) this will happen.
A. Graph y1 = 16x2 + 69x and y2 = 33. If the graphs intersect, find the x-coordinates of the intersection point(s).
B. Graph y1 = -16x2 + 69x and y2 = 33. If the graphs intersect, find the y-coordinates of the intersection point(s).
C. Graph y1 = -16x2 + 69x and y2 = 33. If the graphs intersect, find the x-coordinates of the intersection point(s).
D. Graph y = -16x2 + 69x + 33. If the graph has any x-intercepts, find them.
Answer: C
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Solve the given applied problems involving variation.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb B. 3 lb C. 1 lb D. 2 lb
Factor.(x + 1)2 - 36
A. x2 + 2x - 35 B. (x + 7)(x - 5) C. (x + 5)(x - 7) D. (x + 37)(x - 35)
(2a/3b)/(14b2c/15a2c) =
a. 7a3b-3c/17 b. 2ab3c2/7 c. 5a3b3c/7 d. 5a3b-3c/7 e. 5a3b-3/7
Is the following statement true or false?-14 ? 20
A. True B. False