Write the mixed number as an improper fraction.15
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Solve the initial value problem.Differential Equation: 
= (-cos t)i + (4t3- 2)jInitial Condition: r(0) = 9j
A. r(t) = (sin t)i + (12t2 + 9)j B. r(t) = (-sin t)i + (t4)j C. r(t) = (-sin t)i + (t4 + 9)j D. r(t) = (-sin t)i + (t4- 2t + 9)j
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
per foot for two opposite sides, and 
per foot for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose. Round to the nearest tenth.
A. 30 ft @ $4 by 24 ft @ $5 B. 24 ft @ $4 by 30 ft @ $5 C. 33.5 ft @ $4 by 21.5 ft @ $5 D. 21.5 ft @ $4 by 33.5 ft @ $5
Determine whether or not the function is one-to-one.f(x) = 3x2 + x
A. No B. Yes