Simplify. Assume radicands of square roots are positive.(
)2
A. 4x - 1
B. 16x2 + 1
C. 16x2 - 8x + 1
D. (
)4
Answer: A
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i + 2ln
j + 
k
A. a(1) = 20i + 
j - 10k
B. a(1) = 20i + 
j + 10k
C. a(1) = 20i - 2j - 10k
D. a(1) = 20i + 2j + 10k
Solve the problem.Use the following table, which shows the average price for a new beverage that is served at a coffee chain. Let the 10 selected regions represent the universal set. Use the list to represent the set in 
form.
The set of regions in which the average price for the new beverage is more than $5.00.
A. {A, B, C, D} B. {A, B, C} C. {A, B, C, D, E} D. {E, F, G, H, K, L}
Find the value of the exponential expression.212
A. 42 B. 441 C. 23 D. 882
A projectile is launched at a height of h feet above the ground at an angle of 
with the horizontal. The initial velocity is 
feet per second, and the path of the projectile is modeled by the parametric equations
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Select the correct graph of the path of a projectile launched from ground level at the value of and .
?
feet per second
?
A. ?
B. ?
C. ?
D. ?
E. ?
?