Solve the problem.Two toy rockets were shot straight up from the ground at the same time. The first one was shot at a speed of 6 feet per second; the second, at 10 feet per second. Ignoring air resistance, the height (in feet) of each toy rocket at time t (in seconds) is given by the following. First rocket: -16t2 + 6t Second rocket: -16t2 + 10tFind a polynomial that represents the difference in height between the second rocket and the first rocket at time t.
A. (32t2 - 4t) ft
B. 4t ft
C. (32t2 + 4t) ft
D. t ft
Answer: B
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 135 matches. B. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 180 matches. C. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 8 matches. D. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 1800 matches.
Solve.
- 
= 1
A. No solution B. 3, -1 C. 3 D. -3, -1
Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A.
| Absolute minimum only. |
B. Absolute minimum and absolute maximum.
C. No absolute extrema.
D. Absolute maximum only.
Complete the identity.sin (5?) sin (7?) cos (5?) cos (7?) = ?
A. cos2 (70?)
B. 
C. 
D. 