Find the probability.A committee of 11 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 4?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use a graphing calculator to solve the problem.Let f(x) = sin 
+ cos x on the interval I = (0, 7). Use the graph to estimate where f''(x) < 0 on I.
A. (0, 1.77) ? (4.52, 7) B. (0, 5.77) C. (1.77, 4.52) D. (0, 3.14) ? (3.14, 7)
Mathematics
Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -5.
(uv) at x = 2
A. 47 B. 23 C. -47 D. -43
Mathematics
t = 3.8 æsec, C = 450 pF, and R = 20 Kê. Find VR in a circuit connected to a 37 V source.
a. 10.9 V b. 17.4 V c. 20.9 V d. 24.3 V e. 31.2 V
Mathematics
The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 
Mathematics