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(1) = 3, u '(1) = -5, v(1) = 6, v '(1) = -4.
(uv) at x = 1
A. -39
B. 42
C. -42
D. 18
Answer: C
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Solve the problem.How many seconds after the switch in an RL circuit is closed will it take the current i to reach 
of its steady state value? Express answer in terms of R and L and round coefficient to the nearest hundredth.
A. 1.39 L/R seconds B. 0.29 L/R seconds C. 0.49 L/R seconds D. 1.59 L/R seconds
Find the product.(0.5 + 9a)(0.4 + 7a)
A. 0.2 + 7.1a + 63a2 B. 0.2 - 7.1a + 63a2 C. 0.2 + 7.1a + 0.63a2 D. 2 + 7.1a + 63a2
Find a polynomial of degree 3 with real coefficients that satisfies the given conditions.Zeros of -3, 2, 6 and P(1) = 20
A. P(x) = x3 + 5x2 - 11x + 30 B. P(x) = x3 - 5x2 - 12x - 36 C. P(x) = x3 - 5x2 - 11x + 30 D. P(x) = x3 - 5x2 - 12x + 36
Find the angle between u and v .  figure 1.png)
What will be an ideal response?