Provide an appropriate response.Evaluate. 
A. -4
B. 5
C. 
D. - 
Answer: D
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 2sec2(t)i - 4tan(t)j + 7t2k
A. v
= -8j - 
?k
B. v
= -8j + 
?k
C. v
= 8i - 8j + 
?k
D. v
= 8i + 8j - 
?k
Provide an appropriate response.The biconditional statement p ? q can be written symbolically as 
.
A. (p ? q) ? (~p ? ~q) B. (p ? q) ? (q ? p) C. (p ? q) ? (q ? p) D. (p ? q) ? (~q ? ~p)
Provide an appropriate response.If f(x) = 5 - x and g(x) = 2x2 - 3x + 4, find:(a)(f + g)(x)(b)(f - g)(x)(c)(f - g)(2)(d)(fg)(x)(e)(fg)(0)(f)
(x)(g)f(g(x))(h)g(f(x))(i)g(f(1))
What will be an ideal response?
Solve the problem.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 7.9 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 3.25 inches above the ground? Round to the nearest tenth.
A. 0.9 in. B. 7.9 in. C. 6.7 in. D. 1.3 in.